Pavel M. Kartashov's Image Gallery

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

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

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

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

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

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

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

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

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

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

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

Tugarinovite: MoO2

Comments: Black shining short-prismatic crystals of tugarinovite on whitish anhydrite with minor blue ilsemannite.
Location: Kudriavy (Kudryavyi) volcano, Iturup Island, Kuril Islands, Sakhalinskaya Oblast', Far-Eastern Region, Russia. Scale: FOV is 2x1 mm.
© Pavel M. Kartashov

Tugarinovite: MoO2

Comments: Black shining short-prismatic crystals of tugarinovite on whitish anhydrite with minor blue ilsemannite.
Location: Kudriavy (Kudryavyi) volcano, Iturup Island, Kuril Islands, Sakhalinskaya Oblast', Far-Eastern Region, Russia. Scale: FOV is 2x1 mm.
© Pavel M. Kartashov

Yttrobetafite-(Y): (Y,U,Ce)2(Ti,Nb,Ta)2O6(OH)

Comments: Fragment of the large grain of compact mustard-yellow yttrobetafite-(Y) from the type locality. Associated minerals are black biotite and redish-brown veinlets of gummite.
Location: Alakurtti pegmatite, Northern Karelia, Murmanskaja Oblast', Northern Region, Russia. Scale: Specimen size is 4.5x2.8x1.4 cm.
© Pavel M. Kartashov

Yttrobetafite-(Y): (Y,U,Ce)2(Ti,Nb,Ta)2O6(OH)

Comments: Fragment of the large grain of compact mustard-yellow yttrobetafite-(Y) from the type locality. Associated minerals are black biotite and redish-brown veinlets of gummite.
Location: Alakurtti pegmatite, Northern Karelia, Murmanskaja Oblast', Northern Region, Russia. Scale: Specimen size is 4.5x2.8x1.4 cm.
© Pavel M. Kartashov

Yttrocrasite-(Y): (Y,Th,Ca,U)(Ti,Fe+++)2(O,OH)6

Comments: Polished specimen image showing yellow-orange rhombic sections of prismatic yttrocrasite-(Y) crystals along the fissure in almost black chloritoid aggregate.
Location: Chudnoe Pd-Au deposit, Grubependity lake, Komi Republic, Northern Region, Russia. Scale: Picture Size 4x5 mm.
© Pavel M. Kartashov

Yttrocrasite-(Y): (Y,Th,Ca,U)(Ti,Fe+++)2(O,OH)6

Comments: Polished specimen image showing yellow-orange rhombic sections of prismatic yttrocrasite-(Y) crystals along the fissure in almost black chloritoid aggregate.
Location: Chudnoe Pd-Au deposit, Grubependity lake, Komi Republic, Northern Region, Russia. Scale: Picture Size 4x5 mm.
© Pavel M. Kartashov