O I Siidra, V A Vladimirova, A A Tsirlin, N V Chukanov and V L Ugolkov.
Cu9O2(VO4)4Cl2, the First Copper Oxychloride Vanadate: Mineralogically Inspired Synthesis and Magnetic Behavior.
Inorganic Chemistry, 2020.
URL, DOI

E V Nazarchuk, D O Charkin, S N Kalmykov and O I Siidra.
Structural topology of uranyl chromate-dichromates: Preparation and crystal structures of [dabcoH2][(UO2)(CrO4)(Cr2O7)](H2O)2, [dmedaH2][(UO2)(CrO4)(Cr2O7)](H2O) and [pyH]4[(UO2)(CrO4)2(Cr2O7)].
Journal of Molecular Structure, 2020.
URL, DOI

D O Charkin, G A Akimov, I V Plokhikh, A N Zaloga, A S Borisov, S Y Stefanovich, A N Kuznetsov and O I Siidra.
Bi2O2SO4, a new representative of the grandreefite structure type.
Journal of Solid State Chemistry 282, 2020.
URL, DOI

O I Siidra, E V Nazarchuk, A N Zaitsev and V V Shilovskikh.
Majzlanite, K2Na(ZnNa)Ca(SO4)4, a new anhydrous sulfate mineral with complex cation substitutions from Tolbachik volcano.
Mineralogical Magazine 84(1):153-158, 2020.
URL, DOI

D O Charkin, A S Borisov, I V Plokhikh, S Y Stefanovich, A I Zadoya, A N Zaloga, T F Semenova and O I Siidra.
Pb6O5(NO3)2: A Nonlinear Optical Oxynitrate Structurally Based on Lead Oxide Framework.
Inorganic Chemistry 59(6):3523-3526, 2020.
URL, DOI

V Y Karpenko, E S Zhitova, L A Pautov, A A Agakhanov, O I Siidra, M G Krzhizhanovskaya, V A Rassulov and V N Bocharov.
Akopovaite, Li2Al4(OH)12(CO3)(H2O)3, a new Li member of the hydrotalcite supergroup from Turkestan Range, Kyrgyzstan.
Mineralogical Magazine 84(2):301-311, 2020.
URL, DOI

E V Nazarchuk, D O Charkin, D V Kozlov, O I Siidra and S N Kalmykov.
Topological analysis of the layered uranyl compounds bearing slabs with UO2:TO4 ratio of 2:3.
Radiochimica Acta 108(4):249-260, 2020.
URL, DOI

O I Siidra, E V Nazarchuk, A N Zaitsev and N S Vlasenko.
Koryakite, NaKMg2Al2(SO4)6, a new NASICON-related anhydrous sulfate mineral from Tolbachik volcano, Kamchatka, Russia.
Mineralogical Magazine 84(2):283-287, 2020.
URL, DOI

L A Pautov, M A Mirakov, O I Siidra, A R Faiziev, E V Nazarchuk, V Y Karpenko and S Makhmadsharif.
Falgarite, K4 (VO)3 (SO4)5, a new mineral from sublimates of a natural underground coal fire at the tract of Kukhi-Malik, Fan-Yagnob coal deposit, Tajikistan.
Mineralogical Magazine 84(3):455-462, 2020.
URL, DOI

M R Markovski, O I Siidra, D O Charkin, V A Vladimirova, A A Tsirlin and V Y Grishaev.
Li2(Se2O5)(H2O)1.5·CuCl2, a salt-inclusion diselenite structurally based on tetranuclear Li4complexes.
Dalton Transactions 49(23):7790-7795, 2020.
URL, DOI

D O Charkin, S I Bezzubov, O I Siidra, A S Borisov and S N Kalmykov.
Preparation and Crystal Structure of a New Uranyl Sulfate Templated by a Bis-isothiouronium Cation.
Zeitschrift fur Anorganische und Allgemeine Chemie 646(11-12):540-543, 2020.
URL, DOI

E V Nazarchuk, O I Siidra, D O Nekrasova, V V Shilovskikh, A S Borisov and E Y Avdontseva.
Glikinite, Zn3O(SO4)2, a new anhydrous zinc oxysulfate mineral structurally based on OZn4tetrahedra..
Mineralogical Magazine 84(4):563-567, 2020.
URL, DOI

E Nazarchuk, D Charkin, O Siidra and S Kalmykov.
Organically templated layered uranyl molybdate [c3h9nh+]4[(Uo2)3(moo4)5] structurally based on mineral-related modular units.
Minerals 10(8):1-12, 2020.
URL, DOI

O Siidra, D Charkin, I Plokhikh, E Nazarchuk, A Holzheid and G Akimov.
Expanding family of litharge-derived sulfate minerals and synthetic compounds: Preparation and crystal structures of [bi2 cuo3]so4 and [ln2 o2 ]so4 (ln = dy and ho).
Minerals 10(10):1-10, 2020.
URL, DOI

M R Markovski, O I Siidra, D O Charkin and V Y Grishaev.
Layered calcium hydrogen selenite chlorides Ca(HSeO3)Cl and Ca(HSeO3)Cl(H2O), the first halides obtained in CaCl2-H2SeO3-H2O system.
Zeitschrift fur Kristallographie - Crystalline Materials 235(10):439-443, 2020.
URL, DOI

M R Markovski, O I Siidra, D O Charkin, E V Nazarchuk and V.Yu. Grishaev.
Molecular inorganic polymers: synthesis and crystal structures of KCl72H2SeO3and CsCl7H2SeO3.
Zeitschrift fur Kristallographie - Crystalline Materials 235(11):553-557, 2020.
URL, DOI

D O Nekrasova, A A Tsirlin, M Colmont, O Siidra, H Vezin and O Mentré.
Magnetic hexamers interacting in layers in the (Na, K)2Cu3 O(SO4)3 minerals.
Physical Review B 102(18), 2020.
URL, DOI

I V Pekov, V M Kovrugin, O I Siidra, N V Chukanov, D I Belakovskiy, N N Koshlyakova, V O Yapaskurt, A G Turchkova and G Möhn.
Antofagastaite, Na2Ca(SO4)2·1.5H2O, a new mineral related to syngenite.
Mineralogical Magazine 83(6):781-790, 2019.
URL, DOI

N V Chukanov, O I Siidra, Y S Polekhovsky, I V Pekov, D A Varlamov, V N Ermolaeva and A A Virus.
Erikjonssonite, (Pb32O21)[(V,Si,Mo,As)O4]4Cl9, a new mineral from the Kombat mine and structural classification of layered lead oxychlorides related to litharge.
European Journal of Mineralogy 31(3):619-628, 2019.
URL, DOI

D O Charkin, I V Plokhikh, A I Zadoya, A N Zaloga, W Depmeier and O I Siidra.
Structural, thermal, and IR studies of β-[Nd2O2](CrO4), an unexpected analog of a slag phase [Ba2F2](S6+O3S2-).
Zeitschrift fur Kristallographie - Crystalline Materials 234(1):1-8, 2019.
URL, DOI

M R Markovski, D O Charkin, O I Siidra and D O Nekrasova.
{Copper hydroselenite nitrates (A+NO3)n [Cu(HSeO3)2] (A=Rb+, Cs+ and Tl+.
Zeitschrift fur Kristallographie - Crystalline Materials, 2019.
URL, DOI

O I Siidra, E V Nazarchuk, A A Agakhanov and Y S Polekhovsky.
Aleutite [Cu5O2](AsO4)(VO4)·(Cu0.5□0.5)Cl, a new complex salt-inclusion mineral with Cu2+ substructure derived from a Kagome-net.
Mineralogical Magazine 83(6):847-853, 2019.
URL, DOI

O I Siidra, E V Nazarchuk, D O Charkin, N V Chukanov, A Y Zakharov, S N Kalmykov, Y A Ikhalaynen and M I Sharikov.
Open-framework sodium uranyl selenate and sodium uranyl sulfate with protonated morpholino-N-acetic acid.
Zeitschrift fur Kristallographie - Crystalline Materials 234(2):109-118, 2019.
URL, DOI

V M Kovrugin, D O Nekrasova, O I Siidra, O Mentré, C Masquelier, S Y Stefanovich and M Colmont.
Mineral-Inspired Crystal Growth and Physical Properties of Na 2 Cu(SO 4 ) 2 and Review of Na 2 M(SO 4 ) 2 (H 2 O) x (x = 0-6) Compounds.
Crystal Growth and Design 19(2):1233-1244, 2019.
URL, DOI

V M Kovrugin, M Colmont, O I Siidra, D O Charkin, A Aliev, S V Krivovichev and O Mentré.
Synthesis and structural variety of first Mn and Bi selenites and selenite chlorides.
Zeitschrift fur Kristallographie - Crystalline Materials 234(3):141-153, 2019.
URL, DOI

O I Siidra, A S Borisov, E A Lukina, W Depmeier, N V Platonova, M Colmont and D O Nekrasova.
Reversible hydration/dehydration and thermal expansion of euchlorine, ideally KNaCu 3 O(SO 4 ) 3.
Physics and Chemistry of Minerals 46(4):403-416, 2019.
URL, DOI

E V Nazarchuk, Y A Ikhalaynen, D O Charkin, O I Siidra, V G Petrov, S N Kalmykov and A S Borisov.
Effect of solution acidity on the structure of amino acid-bearing uranyl compounds.
Radiochimica Acta 107(4):311-325, 2019.
URL, DOI

D O Charkin, A S Karpov, S M Kazakov, I V Plokhikh, A I Zadoya, A N Kuznetsov, K I Maslakov, A Y Teterin, Y A Teterin, A N Zaloga and O I Siidra.
Synthesis, crystal structure, spectroscopic properties, and thermal behavior of rare-earth oxide selenates, Ln2O2SeO4 (Ln = La, Pr, Nd): The new perspectives of solid-state double-exchange synthesis.
Journal of Solid State Chemistry 277:163-168, 2019.
URL, DOI

D O Charkin, M R Markovski, O I Siidra, D O Nekrasova and V Y Grishayev.
Influence of the alkali cation size on the Cu2+ coordination environments in (AX)[Cu(HSeO3)2] (A=Na, K, NH4, Rb, Cs; X=Cl, Br) layered copper hydrogen selenite halides.
Zeitschrift fur Kristallographie - Crystalline Materials 234(11-12):739-747, 2019.
URL, DOI

D O Charkin, I V Plokhikh, A I Zadoya, S M Kazakov, A N Zaloga, M S Kozin, W Depmeier and O I Siidra.
[Pb2F2](SeO4): a heavier analogue of grandreefite, the first layered fluoride selenate.
Physics and Chemistry of Minerals 45(1):69-76, 2018.
URL, DOI

I V Pekov, O I Siidra, N V Chukanov, V O Yapaskurt, D I Belakovskiy, A G Turchkova and G Möhn.
Calamaite, a new natural titanium sulfate from the Alcaparrosa mine, Calama, Antofagasta region, Chile.
European Journal of Mineralogy 30(4):801-809, 2018.
URL, DOI

O I Siidra, E V Nazarchuk, S N Bocharov, W Depmeier and R A Kayukov.
Microporous uranyl chromates successively formed by evaporation from acidic solution.
Zeitschrift fur Kristallographie - Crystalline Materials 233(1):1-8, 2018.
URL, DOI

O I Siidra, E V Nazarchuk, A A Agakhanov, E A Lukina, A N Zaitsev, R Turner, S K Filatov, I V Pekov, G A Karpov and V O Yapaskurt.
Hermannjahnite, CuZn(SO4)2, a new mineral with chalcocyanite derivative structure from the Naboko scoria cone of the 2012–2013 fissure eruption at Tolbachik volcano, Kamchatka, Russia.
Mineralogy and Petrology 112(1):123-134, 2018.
URL, DOI

N V Chukanov, D O Nekrasova, O I Siidra, Y S Polekhovsky and I V Pekov.
Janchevite, Pb7V5+(O8.5□0.5)Cl2, a new mineral from the kombat mine, Namibia.
Canadian Mineralogist 56(2):159-165, 2018.
URL, DOI

O I Siidra, E A Lukina, E V Nazarchuk, W Depmeier, R S Bubnova, A A Agakhanov, E Y Avdontseva, S K Filatov and V M Kovrugin.
SaranChinaite, Na2Cu(SO4)2, a new exhalative mineral from Tolbachik volcano, Kamchatka, Russia, and a product of the reversible dehydration of kröhnkite, Na2Cu(SO4)2(H2O)2.
Mineralogical Magazine 82(2):257-274, 2018.
URL, DOI

O I Siidra, E Jonsson, N V Chukanov, D O Nekrasova, I V Pekov, W Depmeier, Y S Polekhovsky and V O Yapaskurt.
Grootfonteinite, pb3O(CO3)2, a new mineral species from the kombat mine, namibia, merotypically related to hydrocerussite.
European Journal of Mineralogy 30(2):367-373, 2018.
URL, DOI

O I Siidra, E V Nazarchuk, D O Charkin, N V Chukanov, W Depmeier, S N Bocharov and M I Sharikov.
Uranyl sulfate nanotubules templated by N-phenylglycine.
Nanomaterials 8(4), 2018.
URL, DOI

O Siidra, D Nekrasova, W Depmeier, N Chukanov, A Zaitsev and R Turner.
Hydrocerussite-related minerals and materials: structural principles, chemical variations and infrared spectroscopy.
Acta Crystallographica Section B: Structural Science, Crystal Engineering and Materials 74(2):182-195, 2018.
URL, DOI

V M Kovrugin, O I Siidra, I V Pekov, N V Chukanov, D A Khanin and A A Agakhanov.
Embreyite: Structure determination, chemical formula and comparative crystal chemistry.
Mineralogical Magazine 82(2):275-290, 2018.
URL, DOI

I V Pekov, O I Siidra, V O Yapaskurt, Y S Polekhovsky and P M Kartashov.
Ziminaite, Fe3+VO4, a new howardevansite-group mineral from the Bezymyannyi volcano, Kamchatka, Russia.
Mineralogy and Petrology 112(3):371-379, 2018.
URL, DOI

E V Nazarchuk, D O Charkin, O I Siidra and V V Gurzhiy.
{Crystal-Chemical Features of U(VI) Compounds with Inorganic Complexes Derived from [(UO2)(TO4)(H2O)n].
Radiochemistry 60(4):345-351, 2018.
URL, DOI

E V Nazarchuk, O I Siidra and D O Charkin.
Specific Features of the Crystal Chemistry of Layered Uranyl Compounds with the Ratio UO2: TO4 = 5 : 8 (T = S6+, Cr6+, Se6+, Mo6+).
Radiochemistry 60(4):352-361, 2018.
URL, DOI

O I Siidra, D O Nekrasova, N V Chukanov, I V Pekov, V O Yapaskurt, A Katerinopoulos, P Voudouris, A Magganas and A N Zaitsev.
The hydrocerussite-related phase, NaPb5(CO3)4(OH)3, from the ancient slags of Lavrion, Greece.
Mineralogical Magazine 82(4):809-819, 2018.
URL, DOI

E V Nazarchuk, D O Charkin, O I Siidra and V V Gurzhiy.
Synthesis and Crystal Structures of New Layered Uranyl Compounds Containing Dimers [(UO2)2O8] of Edge-Linked Pentagonal Bipyramids.
Radiochemistry 60(5):498-506, 2018.
URL, DOI

O I Siidra, D O Nekrasova, R Turner, A N Zaitsev, N V Chukanov, Y S Polekhovsky, J Spratt and M S Rumsey.
Somersetite, Pb 8 O(OH) 4 (CO 3 ) 5 , a new complex hydrocerussite-related mineral from the Mendip Hills, England.
Mineralogical Magazine 82(5):1211-1224, 2018.
URL, DOI

D O Charkin, I V Plokhikh, A I Zadoya, P L Kuznetsova, S M Kazakov and O I Siidra.
CdBiO2NO3, a new layered bismuth oxide nitrate.
Solid State Sciences 84:23-27, 2018.
URL, DOI

E S Zhitova, O I Siidra, D I Belakovsky, V V Shilovskikh, A A Nuzhdaev and R M Ismagilova.
Ammoniovoltaite, (NH 4 ) 2 Fe 2+5 Fe 3+3 Al(SO 4 ) 12 (H 2 O) 18 , a new mineral from the Severo-Kambalny geothermal field, Kamchatka, Russia.
Mineralogical Magazine 82(5):1057-1077, 2018.
URL, DOI

O I Siidra, E V Nazarchuk, E A Lukina, A N Zaitsev and V V Shilovskikh.
Belousovite, KZn(SO 4 )Cl, a new sulfate mineral from the Tolbachik volcano with apophyllite sheet-topology.
Mineralogical Magazine 82(5):1079-1088, 2018.
URL, DOI

I V Pekov, O I Siidra, E A Vlasov, V O Yapaskurt, Y S Polekhovsky and A V Apletalin.
Ilirneyite, Mg 0.5 [ZnMn 3þ (TeO 3 ) 3 ]4.5H 2 O, a new mineral from Chukotka, Russia.
Canadian Mineralogist 56(6):913-921, 2018.
URL, DOI

E V Nazarchuk, O I Siidra, A A Agakhanov, E A Lukina, E Y Avdontseva and G A Karpov.
Itelmenite, Na 2 CuMg 2 (SO 4 ) 4 , a new anhydrous sulfate mineral from the Tolbachik volcano.
Mineralogical Magazine 82(6):1233-1241, 2018.
URL, DOI

O I Siidra, M S Kozin, W Depmeier, R A Kayukov and V M Kovrugin.
Copper–lead selenite bromides: a new large family of compounds partly having Cu 2+ substructures derivable from kagome nets.
Acta Crystallographica Section B: Structural Science, Crystal Engineering and Materials 74(6):712-724, 2018.
URL, DOI

O I Siidra, E V Nazarchuk, D O Charkin, S N Kalmykov and A I Zadoya.
Complex uranyl dichromates templated by aza-crowns.
Crystals 8(12), 2018.
URL, DOI

O I Siidra, E V Nazarchuk, A N Zaitsev, E A Lukina, E Y Avdontseva, L P Vergasova, N S Vlasenko, S K Filatov, R Turner and G A Karpov.
Copper oxosulphates from fumaroles of Tolbachik volcano: Puninite, Na2Cu3O(SO4)3 - A new mineral species and structure refinements of kamchatkite and alumoklyuchevskite.
European Journal of Mineralogy 29(3):499-510, 2017.
URL, DOI

V M Kovrugin, I V Kornyakov, V V Gurzhiy, O I Siidra, M Colmont, O Mentré and S V Krivovichev.
Synthesis and crystal structure of β-CuSe2O5, a new polymorph of copper diselenite.
Mendeleev Communications 27(1):61-63, 2017.
URL, DOI

V M Kovrugin, M Colmont, O I Siidra, V V Gurzhiy, S V Krivovichev and O Mentré.
Pathways for synthesis of new selenium-containing oxo-compounds: Chemical vapor transport reactions, hydrothermal techniques and evaporation method.
Journal of Crystal Growth 457:307-313, 2017.
URL, DOI

V M Kovrugin, M Colmont, O I Siidra, S V Krivovichev, S Colis and O Mentré.
The first lead cobalt phosphite, PbCo2(HPO3)3.
Dalton Transactions 46(37):12655-12662, 2017.
URL, DOI

A A Agakhanov, L A Pautov, E Sokolova, F C Hawthorne, V Y Karpenko, O I Siidra and V A Muftakhov.
Odigitriaite, CsNa5Ca5[Si14B2O38]F2, a new caesium borosilicate mineral from the Darai-Pioz alkaline massif, Tajikistan: Description and crystal structure.
Mineralogical Magazine 81(1):113-122, 2017.
URL, DOI

A A Agakhanov, L A Pautov, E Sokolova, F C Hawthorne, V Y Karpenko, O I Siidra and V K Garanin.
Mendeleevite-(Nd), (Cs,□)6(□,Cs)6(□,K)6(REE,Ca)30(Si70O175)(OH,H2O,F)35, a new mineral from the Darai-Pioz alkaline massif, Tajikistan.
Mineralogical Magazine 81(1):135-141, 2017.
URL, DOI

O Siidra, E Nazarchuk, S Bocharov, W Depmeier and A Zadoya.
Formation of co-racemic uranyl chromate constructed from chiral layers of different topology.
Acta Crystallographica Section B: Structural Science, Crystal Engineering and Materials 73(1):101-111, 2017.
URL, DOI

D O Charkin, R A Kayukov, K A Zagidullin and O I Siidra.
Chemical vapor transport and solid-state exchange synthesis of new copper selenite bromides.
Solid State Sciences 64:109-113, 2017.
URL, DOI

D O Charkin, E V Nazarchuk, S Y Stefanovich, E B Djangurazov, A I Zadoya and O I Siidra.
Polar BaCl(ClO4)·H2O layered chloride perchlorate.
Inorganic Chemistry Communications 84:174-177, 2017.
URL, DOI

A I Zadoya, O I Siidra, R S Bubnova, E V Nazarchuk and S N Bocharov.
Tellurites of Hexavalent Uranium: First Observation of Polymerized (UO4)2–Tetraoxido Cores.
European Journal of Inorganic Chemistry 2016(25):4083-4089, 2016.
URL, DOI

E V Nazarchuk, O I Siidra and S V Krivovichev.
Synthesis and crystal structure of Ag2[(UO2)6(MoO4)7(H2O)2](H2O)2.
Radiochemistry 58(1):1-5, 2016.
URL, DOI

E V Nazarchuk, O I Siidra and S V Krivovichev.
High-temperature crystal chemistry of Na6(UO2)2O(MoO4)4.
Radiochemistry 58(1):6-9, 2016.
URL, DOI

V M Kovrugin, E E Gordon, E E Kasapbasi, M -H Whangbo, M Colmont, O I Siidra, S Colis, S V Krivovichev and O Mentré.
Bonding scheme, hydride character, and magnetic paths of (HPO3)2- Versus (SeO3)2- building units in solids.
Journal of Physical Chemistry C 120(3):1650-1656, 2016.
URL, DOI

V A M Kovrugin, O I Siidra, A N N Zaitsev, J O Spratt, V L Shilovskikh, A A Agakhanov and R W Turner.
The crystal Structure and composition of pottsite, (Pb3xBi42x)(VO4)4·H2O (0.8 < X < 1.0).
European Journal of Mineralogy 28(1):137-145, 2016.
URL, DOI

V M Kovrugin, M Colmont, O Mentré, O I Siidra and S V Krivovichev.
Dimers of oxocentred [OCu4]6+ tetrahedra in two novel copper selenite chlorides, K[Cu3O](SeO3)2Cl and Na2[Cu7O2] (SeO3)4 Cl4, and related minerals and inorganic compounds.
Mineralogical Magazine 80(2):227-238, 2016.
URL, DOI

V M Kovrugin, M Colmont, O I Siidra, S V Krivovichev and O Mentré.
Exploration of Vanadate Selenites Solid Phase Space, Crystal Structures, and Polymorphism.
Crystal Growth and Design 16(6):3113-3123, 2016.
URL, DOI

D O Zinyakhina, O I Siidra, D O Charkin, E V Nazarchuk and R S Bubnova.
Copper polytellurite-chlorides with A2 + cations ([Formula presented], Pb) obtained by CVT reactions.
Inorganic Chemistry Communications 71:94-97, 2016.
URL, DOI

O I Siidra, H Kabbour, O Mentre, E V Nazarchuk, P Kegler, D O Zinyakhina, M Colmont and W Depmeier.
Lead Oxychloride Borates Obtained under Extreme Conditions.
Inorganic Chemistry 55(17):9077-9084, 2016.
URL, DOI

M R Markovski, O I Siidra, R A Kayukov and E W Nazarchuk.
Porous layered and open-framework mixed-valence copper tellurites.
Journal of Solid State Chemistry 243:215-220, 2016.
URL, DOI

E V Nazarchuk, O I Siidra and R A Kayukov.
{Synthesis and crystal-chemical features of two new uranyl chromates with the structures derived from [(UO2)(T6+O4)(H2O)n]0 (T = Cr6+, S6+, Se6+.
Radiochemistry 58(6):571-577, 2016.
URL, DOI

L A Pautov, A A Agakhanov, E Sokolova, F C Hawthorne, V Y Karpenko, O I Siidra, V K Garanin and Y A Abdu.
Khvorovite, Pb2+4Ca2[Si8B2(SiB)O28]F, a new hyalotekite-group mineral from the Darai-Pioz alkaline massif, Tajikistan: Description and crystal structure.
Mineralogical Magazine 79(4):949-963, 2015.
URL, DOI

V M Kovrugin, M Colmont, C Terryn, S Colis, O I Siidra, S V Krivovichev and O Mentré.
PH controlled pathway and systematic hydrothermal phase diagram for elaboration of synthetic lead nickel selenites.
Inorganic Chemistry 54(5):2425-2434, 2015.
URL, DOI

V M Kovrugin, M Colmont, O I Siidra, O Mentré, A Al-Shuray, V V Gurzhiy and S V Krivovichev.
Oxocentered Cu(II) lead selenite honeycomb lattices hosting Cu(I)Cl2 groups obtained by chemical vapor transport reactions.
Chemical Communications 51(46):9563-9566, 2015.
URL, DOI

A A Agakhanov, L A Pautov, V Y Karpenko, E Sokolova, Y I A Abdu, F C Hawthorne, I V Pekov and O I Siidra.
Yusupovite, Na2Zr(Si6O15)(H2O)3, a new mineral species from the Darai-Pioz alkaline massif and its implications as a new microporous filter for large ions.
American Mineralogist 100(7):1502-1508, 2015.
URL, DOI

V M Kovrugin, O I Siidra, M Colmont, O Mentré and S V Krivovichev.
Emulating exhalative chemistry: synthesis and structural characterization of ilinskite, Na[Cu5O2](SeO3)2Cl3, and its K-analogue.
Mineralogy and Petrology 109(4):421-430, 2015.
URL, DOI

A Aliev, M S Kozin, M Colmont, O I Siidra, S V Krivovichev and O Mentré.
Synthesis, crystal structure, high-temperature behavior and magnetic properties of CoBiO(AsO4), a Co analogue of paganoite.
Physics and Chemistry of Minerals 42(8):663-670, 2015.
URL, DOI

R W Turner, O I Siidra, M S Rumsey, Y S Polekhovsky, Y L Kretser, S V Krivovichev, J Spratt and C J Stanley.
Yeomanite, Pb2O(OH)Cl, a new chain-structured Pb oxychloride from Merehead Quarry, Somerset, England.
Mineralogical Magazine 79(5):1203-1211, 2015.
URL, DOI

O I Siidra, M Gogolin, E A Lukina, H Kabbour, R S Bubnova, O Mentré, A A Agakhanov, S V Krivovichev, M Colmont and T Gesing.
Structural Evolution from 0D Units to 3D Frameworks in Pb Oxyhalides: Unexpected Strongly Corrugated Layers in Pb7O6Br2.
Inorganic Chemistry 54(23):11550-11556, 2015.
URL, DOI

I V Pekov, O I Siidra, N V Chukanov, V O Yapaskurt, S N Britvin, S V Krivovichev, W Schüller and B Ternes.
Engelhauptite, KCu3(V2O7)(OH)2Cl, a new mineral species from Eifel, Germany.
Mineralogy and Petrology 109(6):705-711, 2015.
URL, DOI

E V Nazarchuk, O I Siidra, A I Zadoya and A A Agakhanov.
Host-guest structural architectures in hydrous alkaline (Li, K) uranyl chromates and dichromates.
Inorganic Chemistry Communications 62:15-18, 2015.
URL, DOI

I V Pekov, O I Siidra, N V Chukanov, V O Yapaskurt, D I Belakovskiy, M N Murashko and E G Sidorov.
Kaliochalcite, KCu2(SO4)2[(OH)(H2O)], a new tsumcorite-group mineral from the Tolbachik volcano, Kamchatka, Russia.
European Journal of Mineralogy 26(4):597-604, 2014.
URL, DOI

O I Siidra, L P Vergasova, Y L Kretser, Y S Polekhovsky, S K Filatov and S V Krivovichev.
Unique thallium mineralization in the fumaroles of Tolbachik volcano, Kamchatka Peninsula, Russia. III. Evdokimovite, Tl4(VO)3(SO4)5(H2O)5.
Mineralogical Magazine 78(7):1711-1724, 2014.
URL, DOI

O I Siidra, L P Vergasova, Y L Kretser, Y S Polekhovsky, S K Filatov and S V Krivovichev.
Unique thallium mineralization in the fumaroles of the Tolbachik volcano, Kamchatka Peninsula, Russia. II. Karpovite, Tl2VO(SO4)2(H2O).
Mineralogical Magazine 78(7):1699-1709, 2014.
URL, DOI

O I Siidra, L P Vergasova, S V Krivovichev, Y L Kretser, A N Zaitsev and S K Filatov.
Unique thallium mineralization in the fumaroles of Tolbachik volcano, Kamchatka Peninsula, Russia. I. Markhininite, TlBi(SO4)2.
Mineralogical Magazine 78(7):1687-1698, 2014.
URL, DOI

I V Pekov, V O Yapaskurt, Y S Polekhovsky, M F Vigasina and O I Siidra.
Ekplexite (Nb,Mo)S2·(Mg1-xAl x)(OH)2+x, kaskasite (Mo,Nb)S2· (Mg 1-xAlx)(OH)2+x and manganokaskasite (Mo,Nb)S2· (Mn1-xAlx)(OH)2+x, three new valleriite-group mineral species from the Khibiny alkaline complex, Kola peninsula, Russia.
Mineralogical Magazine 78(3):663-679, 2014.
URL, DOI

O I Siidra, D S Zenko and S V Krivovichev.
Structural complexity of lead silicates: Crystal structure of Pb 21[Si7O22]2[Si4O 13] and its comparison to hyttsjöite.
American Mineralogist 99(4):817-823, 2014.
URL, DOI

O I Siidra, E V Nazarchuk and A I Zadoya.
Novel [(UO2)O6(NO3)n] (n = 1, 2) based units in organically templated uranyl compounds.
Inorganic Chemistry Communications 50:4-7, 2014.
URL, DOI

A Aliev, V M Kovrugin, M Colmont, C Terryn, M Huvé, O I Siidra, S V Krivovichev and O Mentré.
Revised bismuth chloroselenite system: Evidence of a noncentrosymmmetric structure with a giant unit cell.
Crystal Growth and Design 14(6):3026-3034, 2014.
URL, DOI

O I Siidra, E V Nazarchuk, E V Sysoeva, R A Kayukov and W Depmeier.
Isolated uranyl chromate and polychromate units in crown ether templated compounds.
European Journal of Inorganic Chemistry 2014(32):5495-5498, 2014.
URL, DOI

O I Siidra, S N Britvin, S V Krivovichev, D A Klimov and W Depmeier.
Crystallography between Kiel and St. Petersburg: Review of collaboration and the crystal structure of [Tl5(SiO4)(OH)]2[Tl6(SO4)(OH)4].
Zeitschrift fur Kristallographie - Crystalline Materials 229(11):753-759, 2014.
URL, DOI

O I Siidra, S V Krivovichev, R W Turner, M S Rumsey and J Spratt.
Crystal chemistry of layered Pb oxychloride minerals with PbO-related structures: Part I. Crystal structure of hereroite, [Pb32O 20(O,□)](AsO4)2[(Si,As,V,Mo)O 4]2Cl10.
American Mineralogist 98(1):248-255, 2013.
URL, DOI

O I Siidra, S V Krivovichev, R W Turner, M S Rumsey and J Spratt.
Crystal chemistry of layered Pb oxychloride minerals with PbO-related structures: Part II. Crystal structure of vladkrivovichevite, [Pb 32O18][Pb4Mn2O]Cl14 (BO3)8·2H2O.
American Mineralogist 98(1):256-261, 2013.
URL, DOI

O I Siidra, E V Nazarchuk, R A Kayukov, R S Bubnova and S V Krivovichev.
CrVI-CrV transition in Uranyl Chromium compounds: Synthesis and high-temperature X-ray Diffraction Study Of Cs 2[(UO2)2(CrO4)3].
Zeitschrift fur Anorganische und Allgemeine Chemie 639(12-13):2302-2306, 2013.
URL, DOI

R R Shuvalov, L P Vergasova, T F Semenova, S K Filatov, S V Krivovichev, O I Siidra and N S Rudashevsk Y.
Prewittite, KPb1.5Cu6Zn(SeO3) 2O2Cl10, a new mineral from Tolbachik Fumaroles, Kamchatka Peninsula, Russia: Description and crystal structure.
American Mineralogist 98(2-3):463-469, 2013.
URL, DOI

M S Kozin, M Colmont, D Endara, A Aliev, M Huvé, O I Siidra, S V Krivovichev and O Mentré.
Phase homology in new layered mixed Li, M (M=Mg, Cu, Cd, Pb, Bi) bismuth oxophosphates and oxoarsenates.
Journal of Solid State Chemistry 199:123-128, 2013.
URL, DOI

M S Kozin, A Aliev, M Colmont, O Mentré, O I Siidra and S V Krivovichev.
Novel bismuth oxophosphate halides [Bi8O8][BiO 2](PO4)2X (X=Cl, Br) based on oxocentered 2D blocks and their relationships to the Aurivillius phases.
Journal of Solid State Chemistry 199:56-61, 2013.
URL, DOI

O I Siidra, E V Nazarchuk, A N Suknotova, R A Kayukov and S V Krivovichev.
Cr(VI) trioxide as a starting material for the synthesis of novel zero-, one-, and two-dimensional uranyl dichromates and chromate-dichromates.
Inorganic Chemistry 52(8):4729-4735, 2013.
URL, DOI

A N Zaitsev, E Y Avdontseva, S N Britvin, A Deméný, Z Homonnay, T E Jeffries, J Keller, V G Krivovichev, G Markl, N V Platonova, O I Siidra, J Spratt and T Vennemann.
Oxo-magnesio-hastingsite, NaCa2(Mg2Fe3+.
Mineralogical Magazine 77(6):2773-2792, 2013.
URL, DOI

S V Krivovichev, O Mentré, O I Siidra, M Colmont and S K Filatov.
Anion-centered tetrahedra in inorganic compounds.
Chemical Reviews 113(8):6459-6535, 2013.
URL, DOI

O I Siidra, D O Zinyakhina, A I Zadoya, S V Krivovichev and R W Turner.
Synthesis and modular structural architectures of mineralogically inspired novel complex Pb oxyhalides.
Inorganic Chemistry 52(21):12799-12805, 2013.
URL, DOI

O I Siidra, D Y Zenko, A N Suknotova and S V Krivovichev.
Crystal structure of a novel synthetic compound, Pb2O(OH)I, and structure refinement of 'iodolaurionite', Pb(OH)I: Hydroxo- and oxocentred units in Pb minerals and synthetic compounds.
Mineralogical Magazine 77(8):3239-3248, 2013.
URL, DOI

V G Krivovichev, D A Tarasevich, M V Charykova, S N Britvin, O I Siidra and W Depmeier.
Thermodynamics of arsenates, selenites, and sulfates in the oxidation zone of sulfide ores: V. Chalcomenite and its synthetic analog, properties, and formation conditions.
Geology of Ore Deposits 54(7):498-502, 2012.
URL, DOI

O I Siidra, E V Nazarchuk and S V Krivovichev.
Unprecedented bidentate coordination of the uranyl cation by the chromate anion in the structure of [(CH 3) 2CHNH 3] 2[UO 2(CrO 4) 2].
European Journal of Inorganic Chemistry (2):194-197, 2012.
URL, DOI

O I Siidra, E V Nazarchuk and S V Krivovichev.
Syntheses and crystal structures of two novel alkaline uranyl chromates A 2(UO 2)(CrO 4) 2 (A=Rb, Cs) with bidentate coordination mode of uranyl ions by chromate anions.
Journal of Solid State Chemistry 187:286-290, 2012.
URL, DOI

M S Rumsey, S V Krivovichev, O I Siidra, C A Kirk, C J Stanley and J Spratt.
Rickturnerite, Pb 7O 4[Mg(OH) 4](OH)Cl 3, a complex new lead oxychloride mineral.
Mineralogical Magazine 76(1):59-73, 2012.
URL, DOI

O I Siidra, E V Nazarchuk and S V Krivovichev.
Highly kinked uranyl chromate nitrate layers in the crystal structures of A[(UO 2)(CrO 4)(NO 3)] (A = K, Rb).
Zeitschrift fur Anorganische und Allgemeine Chemie 638(6):982-986, 2012.
URL, DOI

O I Siidra, E V Nazarchuk and S V Krivovichev.
Isopropylammonium layered uranyl chromates: Syntheses and crystal structures of [(CH 3) 2CHNH 3] 3[(UO 2) 3(CrO 4) 2O(OH) 3] and[(CH 3) 2CHNH 3] 2[(UO 2) 2(CrO 4) 3(H 2O)].
Zeitschrift fur Anorganische und Allgemeine Chemie 638(6):976-981, 2012.
URL, DOI

O I Siidra, N V Chukanov, I V Pekov, S V Krivovichev, A Magganas, A Katerinopoulos and P Voudouris.
Pb 2(AsO 2OH)Cl 2, a new phase from the Lavrion ancient slags, Greece: Occurrence and characterization.
Mineralogical Magazine 76(3):597-602, 2012.
URL, DOI

O I Siidra, E V Nazarchuk and S V Krivovichev.
Mixed-ligand coordination of the (UO 2) 2+ cation and apophyllite topology of uranyl chlorochromate layer in the structure of ((CH 3) 2CHNH 3)[(UO 2)(CrO 4)Cl(H 2O)].
Zeitschrift fur Kristallographie 227(8):530-534, 2012.
URL, DOI

R Turner, O I Siidra, M S Rumsey, S V Krivovichev, C J Stanley and J Spratt.
Hereroite and vladkrivovichevite: Two novel lead oxychlorides from the Kombat mine, Namibia.
Mineralogical Magazine 76(4):883-890, 2012.
URL, DOI

O I Siidra, E V Nazarchuk, A A Petrunin, R A Kayukov and S V Krivovichev.
Nanoscale hemispheres in novel mixed-valent uranyl chromate(V,VI), (C 3NH 10) 10[(UO 2) 13(Cr 125+O 42)(Cr 6+O 4) 6(H 2O) 6](H 2O) 6.
Inorganic Chemistry 51(17):9162-9164, 2012.
URL, DOI

S N Britvin, Y I Korneyko, V M Garbuzov, B E Burakov, E E Pavlova, O I Siidra, A Lotnyk, L Kienle, S V Krivovichev and W Depmeier.
Nanocrystalline layered titanates synthesized by the fluoride route: Perspective matrices for removal of environmental pollutants.
Volume 9783642200182, 2012.
URL, DOI

S N Britvin, O I Siidra, A Lotnyk, L Kienle, S V Krivovichev and W Depmeier.
The fluoride route to Lindqvist clusters: Synthesis and crystal structure of layered hexatantalate Na 8Ta 6O 19· 26H 2O.
Inorganic Chemistry Communications 25:18-20, 2012.
URL, DOI

O I Siidra, S N Britvin, S V Krivovichev, D A Klimov and W Depmeier.
Synthesis and crystal structure of the disordered modification of Tl 6Si2O7.
Glass Physics and Chemistry 38(6):473-477, 2012.
URL, DOI

O I Siidra, S V Krivovichev, R W Turner and M S Rumsey.
Natural and synthetic layered Pb(II) oxyhalides.
Volume 9783642200182, 2012.
URL, DOI

R W Turner, O I Siidra, S V Krivovichev, C J Stanley and J Spratt.
Rumseyite, [Pb2OF]Cl, the first naturally occurring fluoroxychloride mineral with the parent crystal structure for layered lead oxychlorides.
Mineralogical Magazine 76(5):1247-1255, 2012.
URL, DOI

E V Nazarchuk, O I Siidra and S V Krivovichev.
Crystal chemistry of uranyl halides containing mixed (UO 2)(XmOn)5 bipyramids (X = Cl, Br): Synthesis and crystal structure of Cs2(UO2)(NO3)C 13.
Zeitschrift fur Naturforschung - Section B Journal of Chemical Sciences 66(2):142-146, 2011.
URL, DOI

O I Siidra, S V Krivovichev, N V Chukanov, I V Pekov, A Magganas, A Katerinopoulos and P Voudouris.
The crystal structure of Pb5(As3+O 3)Cl7 from the historic slags of lavrion, Greece - A novel Pb(II) chloride arsenite.
Mineralogical Magazine 75(2):337-345, 2011.
URL, DOI

A N Zaitsev, A R Chakhmouradian, O I Siidra, J Spratt, C T Williams, C J Stanley, S V Petrov, S N Britvin and E A Polyakova.
Fluorine-, yttrium-and lanthanide-rich cerianite-(Ce) from carbonatitic rocks of the Kerimasi volcano and surrounding explosion craters, Gregory Rift, northern Tanzania.
Mineralogical Magazine 75(6):2813-2822, 2011.
URL, DOI

O I Siidra, S N Britvin, S V Krivovichev and W Depmeier.
Polytypism of layered alkaline hydroxides: Crystal structure of TlOH.
Zeitschrift fur Anorganische und Allgemeine Chemie 636(3-4):595-599, 2010.
URL, DOI

S N Britvin, O I Siidra, A Lotnyk, S V Krivovichev and W Depmeier.
Niobate and tantalate pyrochlores: Soft synthesis by the fluoride route.
European Journal of Inorganic Chemistry (7):1082-1088, 2010.
URL, DOI

R Minch, L Peters, L Ehm, K Knorr, O I Siidra, V Prakapenka, P Dera and W Depmeier.
Evidence for the existence of a PbCO3-II phase from high pressure X-ray measurements.
Zeitschrift fur Kristallographie 225(4):146-152, 2010.
URL, DOI

S N Britvin, D V Spiridonova, O I Siidra, A Lotnyk, L Kienle, S V Krivovichev and W Depmeier.
Synthesis, structure and properties of hydrazinium germanate pharmacosiderite, (N2H5)3Ge7O15(OH)·2.5H2O.
Microporous and Mesoporous Materials 131(1-3):282-288, 2010.
URL, DOI

S V Krivovichev, R Turner, M Rumsey, O I Siidra and C A Kirk.
The crystal structure and chemistry of mereheadite.
Mineralogical Magazine 73(1):103-117, 2009.
URL, DOI

S N Britvin, O I Siidra, S V Krivovichev and W Depmeier.
Synthesis and crystal structure of the first thallium hydrous nesosilicate Tl4SiO4·0.5H2O.
Zeitschrift fur Anorganische und Allgemeine Chemie 635(3):518-522, 2009.
URL, DOI

E V Nazarchuk, O I Siidra, S V Krivovichev, T Malcherek and W Depmeier.
First mixed alkaline uranyl molybdates: Synthesis and crystal structures of CsNa3[(UO2)4O4(Mo2O 8)] and Cs2Na8[(UO2) 8O8(Mo5O20)].
Zeitschrift fur Anorganische und Allgemeine Chemie 635(8):1231-1235, 2009.
URL, DOI

O I Siidra, S V Krivovichev, C Teske and W Depmeier.
Synthesis and crystal structure of a new oxohalide CdPb2O 2Cl2.
Glass Physics and Chemistry 35(4):411-415, 2009.
URL, DOI

O I Siidra, S V Krivovichev and W Depmeier.
Crystal structure of Pb6O[(Si6Al2)O 20].
Glass Physics and Chemistry 35(4):406-410, 2009.
URL, DOI

O I Siidra, S N Britvin and S V Krivovichev.
Hydroxocentered [(OH)Tl3]2+ triangle as a building unit in thallium compounds: Synthesis and crystal structure of Tl 4(OH)2CO3.
Zeitschrift fur Kristallographie 224(12):563-567, 2009.
URL, DOI

O I Siidra, S V Krivovichev and W Depmeier.
Crystal chemistry of natural and synthetic lead oxohalides: II. Crystal structure of Pb7O4(OH)4Br2.
Geology of Ore Deposits 50(8):801-805, 2008.
URL, DOI

O I Siidra, S V Krivovichev and S K Filatov.
Minerals and synthetic Pb(II) compounds with oxocentered tetrahedra: Review and classification.
Zeitschrift fur Kristallographie 223(1-2):114-125, 2008.
URL, DOI

O I Siidra, S V Krivovichev, T Armbruster and W Depmeier.
Crystal chemistry of the mendipite-type system Pb3O 2Cl2-Pb3O2Br2.
Zeitschrift fur Kristallographie 223(3):204-211, 2008.
URL, DOI

O I Siidra, S V Krivovichev, R W Turner and M S Rumsey.
Chloroxiphite Pb3CuO2(OH)2Cl2: Structure refinement and description in terms of oxocentred OPb4 tetrahedra.
Mineralogical Magazine 72(3):793-798, 2008.
URL, DOI

O I Siidra, S V Krivovichev and W Depmeier.
Crystal chemistry of natural and synthetic lead oxyhalides. Part I. Crystal structure of Pb13O10Cl6.
Geology of Ore Deposits 49(8):827-834, 2007.
URL, DOI

O I Siidra, S V Krivovichev, T Armbruster and W Depmeier.
Lead rare-earth oxyhalides: Syntheses and characterization of Pb 6LaO7X (X = Cl, Br).
Inorganic Chemistry 46(5):1523-1525, 2007.
URL, DOI

O I Siidra, S V Krivovichev, T Armbruster, S K Filatov and I V Pekov.
The crystal structure of leningradite, PbCu3 (VO4)2Cl2.
Canadian Mineralogist 45(3):445-449, 2007.
URL, DOI

O I Siidra, S V Krivovichev and W Depmeier.
Structure and mechanism of the ionic conductivity of the nonstoichiometric compound Pb2 + x OCl2 + 2x.
Doklady Physical Chemistry 414(2):128-131, 2007.
URL, DOI

S V Krivovichev, O I Siidra, E V Nazarchuk, P C Burns and W Depmeier.
Particular topological complexity of lead oxide blocks in Pb 31O22X18 (X = Br, Cl).
Inorganic Chemistry 45(10):3846-3848, 2006.
URL, DOI

E V Alekseev, S V Krivovichev, W Depmeier, O I Siidra, K Knorr, E V Suleimanov and E V Chuprunov.
Na2Li8L[(UO2)11O 12(WO5)2]: Three different uranyl-ion coordination geometries and cation-cation interactions.
Angewandte Chemie - International Edition 45(43):7233-7235, 2006.
URL, DOI

O I Siidra, S V Krivovichev and W Depmeier.
Method of square lattices for the description of structural topologies of minerals and inorganic compounds derivatives of tetragonal PbO (litharge).
Vestnik Sankt-Peterburgskogo Universiteta, Seriya Geologiya i Geografiya 2006(3):18-26, 2006.
URL

O I Siidra, M D Evdokimov, S Y Petrov and P B Sokolov.
On the mechanism of topazes colouring and their spectral characteristics.
Vestnik Sankt-Peterburgskogo Universiteta, Seriya Geologiya i Geografiya 2002(3):115-118, 2002.
URL