Mineral Specimen Images (K)

Mineral Specimen Images (K)
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Mineral Specimen Images (K) With 406 Images

Klebelsbergite Image

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Klebelsbergite: Sb+++4O4(OH)2(SO4)

Comments: Small, acicular sprays of klebelsbergite with yellow crystals of sulfur on stibnite.
Location: Pereta Mine, Grosseto Province, Tuscany, Italy. Scale: Picture size 4 mm.
© Thomas Witzke / Abraxas-Verlag

Klebelsbergite Image

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Klebelsbergite: Sb+++4O4(OH)2(SO4)

Comments: Small, acicular sprays of klebelsbergite with yellow crystals of sulfur on stibnite.
Location: Pereta Mine, Grosseto Province, Tuscany, Italy. Scale: Picture size 4 mm.
© Thomas Witzke / Abraxas-Verlag

Kleinite Image

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Kleinite: Hg2N(Cl,SO4)·n(H2O)

Comments: Crystalline druse of bright canary yellow kleinite on matrix.
Location: McDermmitt, Humboldt County, Nevada. USA. Scale: Crystal size 1-2 mm.
© John Veevaert

Kleinite Image

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Kleinite: Hg2N(Cl,SO4)·n(H2O)

Comments: Crystalline druse of bright canary yellow kleinite on matrix.
Location: McDermmitt, Humboldt County, Nevada. USA. Scale: Crystal size 1-2 mm.
© John Veevaert

Klockmannite Image

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Klockmannite: CuSe

Comments: Klockmannite intergrown with covellite on quartz.
Location: Lichtenberg Mine, Ronneburg U Deposit, Gera district, Thuringia, Germany. Scale: Picture size 7.5 mm.
© Thomas Witzke / Abraxas-Verlag

Klockmannite Image

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Klockmannite: CuSe  
Fischesserite: Ag3AuSe2

Comments: Pinkish-grey fischesserite (Fl) with fine-grained bluish-grey klockmannite (Kl) and grey clausthalite (Cl). Polished section from microprobe analysis in reflected light, parallel nicols.
Location: Predborice, Bohemia, Czech Republic. Scale: Picture size 0.7 mm.
© Thomas Witzke

Klockmannite Image

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Klockmannite: CuSe  
Fischesserite: Ag3AuSe2

Comments: Pinkish-grey fischesserite (Fl) with fine-grained bluish-grey klockmannite (Kl) and grey clausthalite (Cl). Polished section from microprobe analysis in reflected light, parallel nicols.
Location: Predborice, Bohemia, Czech Republic. Scale: Picture size 0.7 mm.
© Thomas Witzke

Klockmannite Image

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Klockmannite: CuSe

Comments: Klockmannite intergrown with covellite on quartz.
Location: Lichtenberg Mine, Ronneburg U Deposit, Gera district, Thuringia, Germany. Scale: Picture size 7.5 mm.
© Thomas Witzke / Abraxas-Verlag

Klyuchevskite Image

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Klyuchevskite: K3Cu3(Fe+++,Al)O2(SO4)4  
Klyuchevskite-Duplicate: K3Cu3Fe+++O2(SO4)4

Comments: Clusters of dark green radiating prismatic klyuchevskite crystals associated with langbeinite, co-type sample. Klyuchevskite-duplicate is the same mineral with different Dana numbers.
Location: Yadevitaya fumarole, Tolbachik volcano, Kamchatka Oblast', Far-Eastern Region, Russia. Scale: See Image.
© Rruff Database

Klyuchevskite Image

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Klyuchevskite: K3Cu3(Fe+++,Al)O2(SO4)4  
Klyuchevskite-Duplicate: K3Cu3Fe+++O2(SO4)4

Comments: Clusters of dark green radiating prismatic klyuchevskite crystals associated with langbeinite, co-type sample. Klyuchevskite-duplicate is the same mineral with different Dana numbers.
Location: Yadevitaya fumarole, Tolbachik volcano, Kamchatka Oblast', Far-Eastern Region, Russia. Scale: See Image.
© Rruff Database

Knasibfite Image

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Knasibfite: K3Na4[SiF6]3[BF4]

Comments: SEM image of knasibfite crystals (CanMin; v46:449).
Location: La Fossa crater, Vulcano Island, Aeolian Archipelago, Sicily, Italy. Scale: See Image.
© Canadian Mineralogist

Knasibfite Image

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Knasibfite: K3Na4[SiF6]3[BF4]

Comments: SEM image of knasibfite crystals (CanMin; v46:449).
Location: La Fossa crater, Vulcano Island, Aeolian Archipelago, Sicily, Italy. Scale: See Image.
© Canadian Mineralogist

Koashvite Image

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Koashvite: Na6(Ca,Mn)(Ti,Fe)Si6O18·(H2O)

Comments: Brown translucent crystalline fragment of koashvite.
Location: Mount Koashva, Khibiny Massive, Kola Peninsula, Murmansk District, Russia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Koashvite Image

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Koashvite: Na6(Ca,Mn)(Ti,Fe)Si6O18·(H2O)

Comments: Brown translucent crystalline fragment of koashvite.
Location: Mount Koashva, Khibiny Massive, Kola Peninsula, Murmansk District, Russia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Kobeite-(Y) Image

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Kobeite-(Y): (Y,U)(Ti,Nb)2(O,OH)6 (?)

Comments: Subparallel aggregate of black, tabular, euhedral kobeite-(Y) crystals in matrix.
Location: Ohro, Kobe, Kyoto, Japan. Scale: Picture size 5 mm.
© Paul M. Schumacher

Kobeite-(Y) Image

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Kobeite-(Y): (Y,U)(Ti,Nb)2(O,OH)6 (?)

Comments: Subparallel aggregate of black, tabular, euhedral kobeite-(Y) crystals in matrix.
Location: Ohro, Kobe, Kyoto, Japan. Scale: Picture size 5 mm.
© Paul M. Schumacher

Kobellite Image

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Kobellite: Pb22Cu4(Bi,Sb)30S69

Comments: Dark gray metallic crystalline kobellite with quartz.
Location: Crabtree Quarry, Raleigh, Wake County, North Carolina, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Kobellite Image

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Kobellite: Pb22Cu4(Bi,Sb)30S69

Comments: Dark gray metallic crystalline kobellite with quartz.
Location: Crabtree Quarry, Raleigh, Wake County, North Carolina, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Kochkarite Image

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Kochkarite: PbBi4Te7

Comments: Bright silvery veinlets of kochkarite throughout matrix.
Location: Kochkar' Au deposit, Plast, Urals Region, Russia. Scale: Overall: 2.5 x 2 x 1.5 cm.
© Tom Loomis / Dakota Matrix

Kochkarite Image

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Kochkarite: PbBi4Te7

Comments: Bright silvery veinlets of kochkarite throughout matrix.
Location: Kochkar' Au deposit, Plast, Urals Region, Russia. Scale: Overall: 2.5 x 2 x 1.5 cm.
© Tom Loomis / Dakota Matrix
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