Search Results - "Pautov, Leonid A."
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Fluorapophyllite-(Cs), CsCa4(Si8O20)F(H2O)8, a new apophyllite-group mineral from the Darai-Pioz Massif, Tien-Shan, northern Tajikistan
Published in Canadian mineralogist (30-11-2019)“…Fluorapophyllite-(Cs) (IMA 2018-108a), ideally CsCa4(Si8O20)F(H2O)8, is an apophyllite-group mineral from the moraine of the Darai-Pioz glacier, Tien-Shan,…”
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Shkatulkalite, a Rare Mineral from the Lovozero Massif, Kola Peninsula: A Re-Investigation
Published in Minerals (Basel) (01-07-2018)“…The crystal structure of shkatulkalite has been solved from the crystal from the Lovozero alkaline massif, Kola Peninsula, Russia. The mineral is monoclinic,…”
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Nickelalumite, ideally NiAl4(SO4)(OH)12(H2O)3, a new-old mineral from the Kara-Tangi uranium deposit, Kyrgyzstan
Published in Mineralogy and petrology (01-06-2023)“…Nickelalumite, ideally NiAl 4 (SO 4 )(OH) 12 (H 2 O) 3 , is a newly approved mineral from the Batken region, Kyrgyzstan, where it occurs in the Kara-Tangi and…”
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Cesiokenopyrochlore, the first natural niobate with an inverse pyrochlore structure
Published in Canadian mineralogist (01-01-2021)“…Cesiokenopyrochlore is a new mineral belonging to the pyrochlore group. It was discovered in a specimen of granitic pegmatite collected at Tetezantsio, Betafo…”
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Badakhshanite-(Y), Y2Mn4Al(Si2B7BeO24), a new mineral species of the perettiite group from a granite miarolic pegmatite in eastern Pamir, the Gorno-Badakhshan Autonomous Oblast, Tajikistan
Published in Canadian mineralogist (01-05-2020)“…Badakhshanite-(Y), ideally Y2Mn4Al(Si2B7BeO24), is a tetrahedral sheet-structure mineral found in the Dorozhny (Road) miarolitic granitic pegmatite within the…”
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The Crystal Structure of Polylithionite-1M from Darai-Pioz, Tajikistan: the Role of Short-range Order in Driving Symmetry Reduction in 1M Li-rich Mica
Published in Canadian mineralogist (15-07-2019)“…The crystal structure of polylithionite-1M from Darai-Pioz, (K0.97Na0.03Rb0.01)Σ1.01(Li2.04Al0.84 Ti4+0.09Fe3+0.03)Σ3.00(Si3.98Al0.02)O10[F1.68(OH)0.33]Σ2, a…”
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Chiyokoite, Ca3Si(CO3)[B(OH)4]O(OH)5·12H2O, a new ettringite-group mineral from the Fuka Mine, Okayama Prefecture, Japan
Published in Canadian mineralogist (24-11-2020)“…The new ettringite-group mineral chiyokoite, ideally Ca3Si(CO3)[B(OH)4]O(OH)5·12H2O, was found in a hydrothermally altered calc-silicate skarn at the Fuka…”
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Two astrophyllite-supergroup minerals; bulgakite, a new mineral from the Darai-Pioz alkaline massif, Tajikistan and revision of the crystal structure and chemical formula of nalivkinite
Published in Canadian mineralogist (01-01-2016)“…Bulgakite, ideally Li2(Ca,Na)Fe2+ 7Ti2(Si4O12)2O2(OH)4(O,F)(H2O)2, and nalivkinite, ideally Li2NaFe2+ 7Ti2(Si4O12)2O2(OH)4F(H2O)2, are astrophyllite-supergroup…”
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Jouravskite: refined data on the crystal structure, chemical composition and spectroscopic properties
Published in Physics and chemistry of minerals (01-04-2019)“…Refined data on the crystal structure, chemical composition and properties of jouravskite, ideally Ca 3 Mn 4+ (SO 4 )(CO 3 )(OH) 6 ·12H 2 O, have been obtained…”
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Odikhinchaite, Na9Sr3[(H2O)2Na]Ca6Mn3Zr3NbSi (Si24O72)O(OH)3(CO3)·H2O, a New Eudialyte-Group Mineral from the Odikhincha Intrusion, Taimyr Peninsula, Russia
Published in Minerals (Basel) (01-12-2020)“…The new eudialyte-group mineral, odikhinchaite, was discovered in a peralkaline pegmatite vein hosted by melteigite at the Odikhincha ultrabasic…”
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Revision of the formulae of wernerbaurite and schindlerite; ammonium- rather than hydronium-bearing decavanadate minerals
Published in Canadian mineralogist (01-05-2016)“…Wernerbaurite (IMA 2012-064) and schindlerite (IMA 2012-063) from the St. Jude mine, Slick Rock district, San Miguel County, Colorado, USA, were described as…”
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Chubarovite, KZn2(BO3)Cl2, a new mineral species from the Tolbachik Volcano, Kamchatka, Russia
Published in Canadian mineralogist (01-03-2015)“…The new mineral chubarovite, KZn2(BO3)Cl2, was found in the sublimates of active fumaroles at the Second and First scoria cones of the Northern Breakthrough of…”
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Kirchhoffite, CsBSi2O6, a new mineral species from the Darai-Pioz alkaline massif, Tajikistan; description and crystal structure
Published in Canadian mineralogist (01-04-2012)“…Kirchhoffite, CsBSi2O6, is a new species of silicate mineral from the Darai-Pioz alkaline massif in the upper reaches of the Darai-Pioz River, in the area of…”
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The crystal structure of nalivkinite, a new lithium member of the astrophyllite group
Published in Canadian mineralogist (01-06-2008)“…The crystal structure of nalivkinite, ideally Li2 Na Fe2+7 Ti2 (Si8 O24) O2 (OH)4 F, a new lithium member of the astrophyllite group, from the moraine of the…”
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Maleevite, BaB2Si2O8, and pekovite, SrB2Si2O8, new mineral species from the Dara-I-Pioz alkaline massif, northern Tajikistan; description and crystal structure
Published in Canadian mineralogist (01-02-2004)“…Maleevite and pekovite occur in boulders in the Dara-i-Pioz moraine, in the Alai range, Tien Shan, N Tajikistan; both form white to transparent equant crystals…”
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Temperature-versus compositional-induced structural deformations of gadolinite group minerals with various Be/B ratio
Published in Journal of solid state chemistry (01-07-2021)“…Gadolinite crystals from Mogov (Tajikistan), Dorozhniy (Tajikistan), Dara-Pioz (Tajikistan) and Osterby (Sweden) with different Be/B ratio (0.56–191) were…”
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Shakhdaraite-(Y), ScYNb2O8, from the Leskhozovskaya granitic pegmatite, the valley of the Shakhdara River, southwestern Pamir, Gorno-Badakhshanskii Autonomous Region, Tajikistan: New mineral description and crystal structure
Published in Canadian mineralogist (01-03-2022)“…Shakhdaraite-(Y), ideally ScYNb2O8, is a new mineral from the Leskhozovskaya miarolitic granitic pegmatite at the Shakhdara River, southwestern Pamir…”
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The crystal chemistry of Li-bearing minerals with the milarite-type structure; the crystal structure of end-member sogdianite
Published in Canadian mineralogist (01-08-2000)“…The structure of end-member sogdianite from Dara-i-Pioz alkaline massif, N Tajikistan, a 10.1240, c 14.3198 Å, V 1271.1 Å, space group P6/mcc, Z = 2, has been…”
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The crystal chemistry of telyushenkoite and leifite, A Na6 [Be2 Al3Si15 O39F2], A = Cs, Na
Published in Canadian mineralogist (01-02-2002)“…The crystal structures of telyushenkoite, ideally Cs Na6[Be2 Al3 Si15 O39 F2], trigonal, space group P3̄ml, a 14.3770(8), c 4.8786(3) Å, V873.2(1) Å3, Z = 1…”
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From structure topology to chemical composition; XIX, Titanium silicates; revision of the crystal structure and chemical formula of bafertisite, Ba2Fe2+4Ti2(Si2O7)2O2(OH)2F2, a group-II TS-block mineral
Published in Canadian mineralogist (01-01-2016)“…The crystal structure and chemical formula of bafertisite, Ba2Fe2+ 4Ti2(Si2O7)2O2(OH)2F2, have been revised. Three samples of bafertisite were studied using…”
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