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Kyrgyzstanite Image

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Kyrgyzstanite: ZnAl4(SO4)(OH)12·3(H2O)

Comments: A small coating of greenish kyrgyzstanite..
Location: Kara-Tangi U deposit, Batken Oblast, Kyrgyzstan. Scale: Field of view 0.3 cm.
© Jeff Weissman / Photographic Guide to Mineral Species

Kyzylkumite Image

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Kyzylkumite: V+++2Ti3O9

Comments: A small crystal of kyzylkumite with a triangular face.
Location: Koscheka U Deposit, Auminzatau Mtns., Central Kyzylkum Region, Kyzylkum Desert, Uzbekistan. Scale: Picture size 1 mm.
© Thomas Witzke / Abraxas-Verlag

Labradorite Image

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Labradorite: (Ca,Na)(Si,Al)4O8  
Plagioclase: (Na,Ca)(Si,Al)4O8

Comments: Dual view of a cleavage fragment of labradorite showing the multi-colored labradorescence (schiller effect) and the same area viewed without the color. The color is due to optical interference on Bøggild exsolution lamellae.
Location: Ihosy, Betroka district, Toliara Province, Madagascar. Scale: Picture size 3x3 cm.
© Dave Barthelmy

Labuntsovite-Fe Image

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Labuntsovite-Fe: Na4K4(Ba,K)2(Fe,Mg,Mn)1+xTi8(Si4O12)4(O,OH)8·10(H2O)

Comments: Orange labuntsovite-Fe in matrix.
Location: Desourdy Quarry, Mont St. Hilaire, Rouville County, Quebec, Canad. Scale: See Image.
© Rruff Database

Labuntsovite-Mg Image

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Labuntsovite-Mg: Na4K4(Ba,K)(Mg,Fe)1+xTi8(Si4O12)4(O,OH)8·10(H2O)

Comments: Orange-brown crystal of labuntsovite-Mg, sitting on a bed of platy catapleiite crystals, with dolomite.
Location: Zheleznyi Mine (Iron Mine), Kovdor Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia. Scale: Crystal Size 0.15 cm.
© Jeff Weissman / Photographic Guide to Mineral Species

Labuntsovite-Mn Image

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Labuntsovite-Mn: Na4K4(Ba,K)(Mn,Fe)1+x(Ti,Nb)8[Si4O12]4(O,OH)8·n(H2O), n=10-12

Comments: Cinnamon colored crystals of labuntsovite-Mn to 3 mm on dolomite matrix.
Location: Kovdor Mine, Kola Peninsula, Russia. Scale: Picture size 1.5x2 cm.
© John Veevaert

Labyrinthite Image

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Labyrinthite: (Na,K,Sr)35Ca12Fe3Zr6TiSi51O144(O,OH,H2O)9Cl3

Comments: Rose-colored crystal fragment of labyrinthite.
Location: Koashva Mt., Khibiny Massif, Kola Peninsula, Russia. Scale: Crystal Size 3 mm.
© Sergey Vasiliev / Systematic Mineralogy

Lacroixite Image

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Lacroixite: NaAl(PO4)F  
Berlinite: AlPO4

Comments: Pale olive green crystalline lacroixite with white crystalline berlinite.
Location: Rusororo Pegmatite, Gatumba, Gisenyi, Rwanda. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Laffittite Image

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Laffittite: AgHgAsS3

Comments: A short-prismatic, dark brown crystal of laffittite with red realgar and yellow orpiment.
Location: Getchell Mine, Adam Peak, Humboldt Co., Nevada, USA. Scale: Picture size 1.5 mm.
© Thomas Witzke / Abraxas-Verlag

Laflammeite Image

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Laflammeite: Pd3Pb2S2  
Vysotskite: (Pd,Ni)S

Comments: SEM image showing intergrowths of laflammeite (LF) with complexly zoned vysotskite (VS). The surrounding material is epoxy (black). (CanMin, v40:671).
Location: Kirakkajuppura PGE deposit, Penikat layered complex, Finland. Scale: See Image.
© Canadian Mineralogist

Laihunite Image

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Laihunite: Fe++Fe+++2(SiO4)2

Comments: B&W optical micrograph of eulysite in reflected light. Fayalite (Fa) in dark gray with rhe layered laihunite (La) in light gray, pyroxene (Py), and magnetite (Mt). AmMin v69:154.
Location: Hebei Iron mine, China. Scale: See Image.
© American Mineralogist

Laitakarite Image

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Laitakarite: Bi4(Se,S)3

Comments: Polished section (PPL) image of fine grains of laitakarite (bladed-lait)) disseminated through massive chalcopyrite (cp) and pyrrhotite (po) at the top of the chalcopyrite stringer zone.
Location: Giant Kidd Creek Volcanogenic Massive Sulfide deposit, Western Abitibi Subprovince, Timmins, Ontario, Canada. Scale: F.V. = 0.5 mm.
© National Resouces of Canada

Lakargiite Image

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Lakargiite: CaZrO3

Comments: BSE image of a pseudomorph of lakargiite after zircon. Cus = cuspidine, Lak = lakargiite, Zr-grt = kimzeyite-like mineral, Zrn = zircon, Bgd = baghdadite-like mineral, and Ap = apatite. (AmMin, v93:1905).
Location: North Caucasus, Kabardino-Balkaria, Russia. Scale: See Image.
© American Mineralogist

Lakebogaite Image

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Lakebogaite: CaNaFe+++2H(UO2)2(PO4)4(OH)2(H2O)8

Comments: Yellow, tabular, prismatic lakebogaite crystal with Na-analogue of meurigite (IMA 2007-024) globules on a quartz matrix.
Location: A quarry, 10 km SSW of the township of Lake Boga, north-western Victoria, Australia. Scale: Crystal size 0.4 mm across.
© American Mineralogist

Lalondeite Image

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Lalondeite: (Na,Ca)6(Ca,Na)3Si16O38(F,OH)2·3(H2O)

Comments: Vein of pinkish lalondeite with a greenish clinoamphibole in altered breccia.
Location: Poudrette quarry, Mont Saint-Hilaire, Rouville County, Quebec, Canada. Scale: Picture size 3 cm.
© Canadian Mineralogist

Lammerite Image

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Lammerite: Cu3[(As,P)O4]2

Comments: Emerald green crystalline lammerite in matrix.
Location: Laurani Mine, South Yeronime, Laurani, La Paz, Bolivia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Lammerite Image

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Lammerite: Cu3[(As,P)O4]2

Comments: Deep, lustrous green lammerite crystals to about 1mm throughout vuggy matrix.
Location: Guanaco mine, Taltal, Antofagasta, Chile. Scale: Picture size 1 cm.
© Tom Loomis / Dakota Matrix

Lamprophyllite Image

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Lamprophyllite: Na2(Sr,Ba)2Ti3(SiO4)4(OH,F)2

Comments: Deep-red, acicular spray of lamprophyllite in matrix.
Location: Kola Peninsula, Russia. Scale: Crystal size 1.5 cm.
© Tom Loomis / Dakota Matrix

Lamprophyllite Image

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Lamprophyllite: Na2(Sr,Ba)2Ti3(SiO4)4(OH,F)2  
Barytolamprophyllite: Ba2Na3(Fe+++,Ti)3(Si2O7)2(O,OH,F)4

Comments: Brownish-yellow barytolamprophyllite on dark green lamprophyllite.
Location: Lovozero Massif, Kola Peninsula, Murmansk District, Russia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Lanarkite Image

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Lanarkite: Pb2(SO4)O

Comments: White, acicular spray of lanarkite on matrix.
Location: Meadowfoot smelter, Wanlockhead, Lanarkshire, Scotland. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals

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