Browsing ELibrary by Author "Pakhomovsky Y.A."

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CAFETITE, CA[TI2O5](H2O): CRYSTAL STRUCTURE AND REVISION OF CHEMICAL FORMULA

Krivovichev S.V.; Yakovenchuk V.N.; Pakhomovsky Y.A.; Menshikov Y.P.; Burns P.C. (2003)

The crystal structure of cafetite, ideally Ca[Ti2O5](H2O), (monoclinic, P21/n, a = 4.9436(15), b = 12.109(4), c = 15.911(5) Å, β = 98.937(5)°, V = 940.9(5) Å3, Z = 8) has been solved by direct methods and refined to R1 = ...
CERITE-(La), (La,Ce,Ca)9(Fe,Ca,Mg)(SiO4)3[SiO3(OH)]4(OH)3, A NEW MINERAL SPECIES FROM THE KHIBINA ALKALINE MASSIF: OCCURRENCE AND CRYSTAL STRUCTURE

Pakhomovsky Y.A.; Men'shikov Y.P.; Yakovenchuk V.N.; Ivanyuk G.Y.; Krivovichev S.V.; Burns P.C. (2002)

Cerite-(La), ideally (La,Ce,Ca)(9)(Fe,Ca,Mg)(SiO4)(3)[SiO3(OH)](4)(OH)(3), was found in an aegirine-natrolite-microcline vein in foyaite, Mt. Yuksporr, Khibina massif, Kola Peninsula, Russia. It forms porous pseudomorphs ...
CHLORBARTONITE, K6FE24S26(CL,S), A NEW MINERAL SPECIES FROM A HYDROTHERMAL VEIN IN THE KHIBINA MASSIF, KOLA PENINSULA, RUSSIA: DESCRIPTION AND CRYSTAL STRUCTURE

Yakovenchuk V.N.; Pakhomovsky Y.A.; Ivanyuk G.Yu.; Men'shikov Y.P.; Krivovichev S.V.; Burns P.C. (2003)

Chlorbartonite, ideally K6Fe24S26(Cl,S , is a new potassium iron sulfide chloride found as an accessory mineral in a microcline - pectolite - sodalite - aegirine vein within feldspathic urtite at Mount Koashva, Khibina ...
COLLINSITE IN HYDROTHERMAL ASSEMBLAGES RELATED TO CARBONATITES IN THE KOVDOR COMPLEX, NORTHWESTERN RUSSIA

Liferovich R.P.; Pakhomovsky Y.A.; Bogdanova A.N.; Balaganskaya E.G.; Laajoki K.V.O.; Gehör S.; Chukanov N.V. (2001)

Several generations of collinsite were formed during the hydrothermal alteration of phoscorite and dolomite carbonatite in the Kovdor alkaline-ultramafic complex, northwestern Russia. The collinsite at this locality shows ...
CRYSTAL STRUCTURES OF LAMPROPHYLLITE-2M AND LAMPROPHYLLITE-20 FROM THE LOVOZERO ALKALINE MASSIF, KOLA PENINSULA, RUSSIA

Krivovichev S.V.; Armbruster T.; Yakovenchuk V.N.; Pakhomovsky Y.A.; Men'shikov Y.P. (2003)

The crystals of lamprophyllite-2M and lamprophyllite-2O were found coexisting in an ussingite-microcline-sodalite veins in the Alluaiv Mt., Lovozero alkaline massif, in association with ussingite, aegirine, microcline, ...
SYNCHROTRON X-RAY DIFFRACTION STUDY OF THE STRUCTURE OF SHAFRANOVSKITE, K2NA3(MN,FE,NA)4[SI9(O,OH) 27](OH)2·NH2O, A RARE MANGANESE PHYLLOSILICATE FROM THE KOLA PENINSULA, RUSSIA

Krivovichev S.V.; Depmeier W.; Yakovenchuk V.N.; Pakhomovsky Y.A.; Armbruster T.; Weber H.-P. (2004)

The structure of shafranovskite, ideally K2Na3(Mn,Fe,Na)4[Si9(O,OH) 27](OH)2·nH2O (n ∼ 2.33), a K-Na-manganese hydrous silicate from Kola peninsula, Russia, was studied using synchrotron X-ray radiation and a MAR345 ...
TUMCHAITE NA2(ZR,SN)SI4O11·2H2O-A NEW MINERAL FROM CARBONATITES OF THE VUORIYARVI ALKALI-ULTRABASIC MASSIF, MURMANSK REGION, RUSSIA

Subbotin V.V.; Merlino S.; Pushcharovsky D.Yu.; Pakhomovsky Y.A.; Ferro O.; Bogdanova A.N.; Voloshin A.V.; Sorokhtina N.V.; Zubkova N.V. (2000)

Tumchaite, Na2(Zr,Sn)Si4O11·2H2O, is a new species from the Vuoriyarvi alkali-ultrabasic massif, Murmansk Region, Russia, where it occurs as colorless to white tabular monoclinic crystals associated with calcite, dolomite, ...

Browsing ELibrary by Author "Pakhomovsky Y.A."

Browsing ELibrary by Author "Pakhomovsky Y.A."

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