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

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

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-(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

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

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

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

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

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

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

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