Pavel M. Kartashov's Image Gallery

Nalivkinite: Li2NaFe++7Ti2Si8O24(OH)4F

Comments: Aggregate of metallic, bronze nalivkinite flake-like plates in alkaline granitic pegmatite. Associated minerals are quartz, feldspars and aegirine.
Location: . Scale: Picture Size 3x2.5 cm.
© Pavel M. Kartashov

Nanpingite: Cs(Al,Mg,Fe++,Li)2(Si3Al)O10(OH,F)2  
Lepidolite: K(Li,Al)3(Si,Al)4O10(F,OH)2

Comments: Hexagonal tabular crystals of pearly colourless lepidolite within massive white pollucite from unknown rare metal pegmatite. Nanpingite forms the outer zones of these lepidolite crystals (~30-150 µm).
Location: China. Scale: Specimen size is 3.5x3x2 cm.
© Pavel M. Kartashov

Nordite-(Ce): (Ce,La,Ca)(Sr,Ca)Na2(Na,Mn)(Zn,Mg)Si6O17

Comments: Brownish rosette of nordite-(Ce) with visible single crystal morphology. Associated minerals are white etched natrosilite and minor black prismatic aegirine.
Location: Palitra pegmatite (Palette pegmatite), Kedykverpakhk Mt, Lovozero Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia. Scale: Crystal Size 4 mm.
© Pavel M. Kartashov

Nordite-(La): (Na,Mn)3(Sr,Ca)(La,Ce)(Zn,Mg)Si6O17  
Magnesio-arfvedsonite: NaNa2(Mg4Fe++)Si8O22(OH)2

Comments: Large tabular crystal of brownish nordite-(La). Accessory minerals are white chalky natrolite and black prismatic magnesioarfvedsonite.
Location: Kirovskii apatite mine (Kirovsky Mine; Kirov Mine), Kukisvumchorr Mt, Khibiny Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia. Scale: FOV is 12x10 mm.
© Pavel M. Kartashov

Oneillite: Na15Ca3Mn3Fe++3Zr3Nb(Si25O73)(O,OH,H2O)3(OH,Cl)2

Comments: Brownish-yellow grains of oneillite in white K-feldspar from the type locality.
Location: Poudrette quarry (Demix quarry; Uni-Mix quarry; Desourdy quarry), Mont Saint-Hilaire, Rouville, Montérégie, Québec, Canada. Scale: FOV is 6x5 mm.
© Pavel M. Kartashov

Parkerite: Ni3(Bi,Pb)2S2  
Talnakhite: Cu9(Fe,Ni)8S16

Comments: Cut, not polished section showing rounded grains of parkerite (yellow arrow) in 'dactiloscopyc' galena aggregate in talnakhite-chalcopyrite ore. Talnakhite is bronze-violet slightly oxidised grain streaked with golden chalcopyrite.
Location: Taimyr (Oktyabr'skoye; Oktyabr'sky) Cu-Ni deposit, Noril'sk, Putoran Plateau, Taimyr Peninsula, Taymyrskiy Autonomous Okrug, Eastern-Siberian Region, Russia. Scale: Picture Size 4x3 mm.
© Pavel M. Kartashov

Plumbopyrochlore: (Pb,Y,U,Ca)2-xNb2O6(OH)  
Columbite-(Mn): (Mn,Fe++)(Nb,Ta)2O6

Comments: Yellow-brown plumbopyrochlore crystalline crust over black manganocolumbite grain. Such plumbopyrochlore-manganocolumbite ovoids with different grade of replacement are very typical for the locality.
Location: Amazonite pegmatites of Ploskaya Mt, Western Keivy Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia. Scale: Picture Size 12x10 mm.
© Pavel M. Kartashov

Polyakovite-(Ce): (Ce,La,Nd,Pr,Ca)4(Mg,Fe++)(Cr,Fe+++)2(Ti,Nb)2Si4O22

Comments: Black, pitchy, polyakovite-(Ce) crystal showing conchoidal surfaces so typical for this mineral. Green fluororichterite overgrowth is just visible. Measured radioactivity is 146µR/h.
Location: Pit No. 97 (N97 Mine), Ilmen Natural Reserve, Ilmen Mts, Chelyabinsk Oblast', Southern Urals, Urals Region, Russia. Scale: Specimen size is 4.5x3x2.5 cm.
© Pavel M. Kartashov

Potassicrichterite: (K,Na)(CaNa)2Mg5[Si8O22](OH,F)2

Comments: Lapidary sample of 'Dianite' consisting of blue nepherite with fiberous strontian (~3.5 % SrO) potassicrichterite. White nodule is quartz-microcline surrounded by dark green potassic-magnesio-arfvedsonite.
Location: Kedrovyi alkaline Massif, Murunskii Massif, Chara and Tokko Rivers Confluence, Aldan Shield, Saha Republic (Sakha Republic; Yakutia), Eastern-Siberian Region, Russia. Scale: Specimen Size 8.5x4x1 cm.
© Pavel M. Kartashov

Raslakite: Na15Ca3Fe3(Na,Zr)3Zr3(Si,Nb)(Si25O73)(OH,H2O)3(Cl,OH)

Comments: Orange-red raslakite grain in nepheline-syenite. Part of cotype specimen.
Location: Karnasurt Mt, Lovozero Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia. Scale: FOV is 12x10 mm.
© Pavel M. Kartashov

Rinkite: Na(Na,Ca)2(Ca,Ce)4(Ti,Nb)(Si2O7)2(O,F)2

Comments: Hexagonal prismatic crystals of rinkite in nepheline-syenite pegmatite matrix. Associated with orthoclase, black aegirine and minor eudialyte.
Location: Takhtarvumchorr Mt, Khibiny Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia. Scale: Specimen Size 7x3.5x2.5 cm..
© Pavel M. Kartashov

Romanite: (Fe++,U,Pb)2(Ti,Fe+++)O4

Comments: Black, massive coarse-grained aggregate of romanite from amphibolites and its radioactivity is 335 µR/h.
Location: Dzhigda U ore occurrence, Dambuki ore cluster, Amurskaya Oblast', Far-Eastern Region, Russia. Scale: Specimen Size 3x2x1.8 cm.
© Pavel M. Kartashov

Roscoelite: K(V,Al,Mg)2AlSi3O10(OH)2  
Zincochromite: ZnCr2O4

Comments: Roscoelite segregation filled with rich impregnation zincochromite microcrystals (up to 60 vol.%). Metallic-white grains of clausthalite are visible. Inset polished section image shows crystals of zincochromite in chromceladonite matrix.
Location: Srednyaya Padma U-V deposit, Zaonezhie peninsula, Lake Onega, Karelia Republic, Northern Region, Russia. Scale: Specimen size is 6x4x4 cm.
© Pavel M. Kartashov

Rucklidgeite: (Bi,Pb)3Te4

Comments: Tabular striated crystal of metallic-white rucklidgeite overgrown with a crystalline gold film. Associated minerals in the specimen are quartz, dolomite, fuchsite, chalcopirite, arsenopyrite and other Bi tellurides.
Location: Zod Mine (Sotk deposit), Vardenis, Gelark'unik' (Geghark'unik') Province, Armenia. Scale: Picture Size 3x2.5 mm.
© Pavel M. Kartashov

Sanbornite: BaSi2O5  
Alforsite: Ba5(PO4)3Cl  
Titantaramellite: Ba4(Ti,Fe+++,Fe++,Mg)4(B2Si8O27)O2Clx X=0 TO 1, with Ti > Fe  
Celsian: BaAl2Si2O8

Comments: SEM image showing alforsite (al). Matrix composed by lamellar sanbornite (sa) and granular quartz (q). Rectangular crystal in the upper right corner is titantaramellite (ti) and isometric crystals included in sanbornite are celsian (ce).
Location: Trumbull Peak, near Incline, Mariposa Co., California, USA. Scale: See Image.
© Pavel M. Kartashov

Shirokshinite: K(NaMg2)Si4O10F2

Comments: Dark-brown columnar shirokshinite crystals with pinkish-brown fine-grained phillosilicate masses on greenish nathrolite.
Location: Kirovskii apatite mine (Kirovsky Mine; Kirov Mine), Kukisvumchorr Mt, Khibiny Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia. Scale: FOV is 12x10 mm.
© Pavel M. Kartashov

Smirnite: Bi2Te++++O5  
Tsumoite: BiTe

Comments: Grayish to olive-green crusts of smirnite over quartz and metallic-grey tsumoite. Smirnite composition is (Bi1.98Pb.02)2.00Te1.00O4.99.
Location: Shilovo-Isetskii mine, Ekaterinburg (Sverdlovsk), Ekaterinburgskaya (Sverdlovskaya) Oblast', Middle Urals, Urals Region, Russia. Ex Fedor V. Chukhrov specimen collected before WWII. Scale: Picture Size 12x10 mm.
© Pavel M. Kartashov

Strontiopyrochlore: Sr2Nb2(O,OH)7

Comments: Creamy-white strontiopyrochlore pesudomorphous after twinned loparite? covered with brownish manganese oxide film.
Location: Zircon point at the NE exocontact zone of the massif. Vavnbed Mt, Lovozero Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia. Scale: Crystal Size 8x9x9 mm.
© Pavel M. Kartashov

Talnakhite: Cu9(Fe,Ni)8S16  
Parkerite: Ni3(Bi,Pb)2S2

Comments: Cut, not polished section showing rounded grains of parkerite (yellow arrow) in 'dactiloscopyc' galena aggregate in talnakhite-chalcopyrite ore. Talnakhite is bronze-violet slightly oxidised grain streaked with golden chalcopyrite.
Location: Taimyr (Oktyabr'skoye; Oktyabr'sky) Cu-Ni deposit, Noril'sk, Putoran Plateau, Taimyr Peninsula, Taymyrskiy Autonomous Okrug, Eastern-Siberian Region, Russia. Scale: Picture Size 4x3 mm.
© Pavel M. Kartashov

Tetraferriphlogopite: KMg3Fe+++Si3O10(OH)2

Comments: Euhedral complete tabular crystal of dark brown tetraferriphlogopite with calcite, yellow-green apatite-(CaF), metallic chalcopyrite, and dark magnetite.
Location: Zheleznyi Mine (Iron Mine), Kovdor Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia. Scale: Crystal Size 3.5x3x1.5 cm.
© Pavel M. Kartashov