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Lemmleinite-Ba: Na2K2Ba1-xTi4(Si4O12)2(O,OH)4·5(H2O)
Comments: Orange-brown pyramidal crystals of lemmleinite-Ba with greenish aegirine crystals. Location: Karnasurt Mt, Lovozero Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia. Scale: Picture size 3 mm. © Thomas Witzke / Abraxas-Verlag
Lemmleinite-K: NaK2(Ti,Nb)2Si4O12(O,OH)2·2(H2O)
Comments: Transparent, pyramidal crystals of lemmleinite-K on matrix. Location: Koashva Mt, Khibiny Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia. Scale: Picture size 3 mm. © Thomas Witzke / Abraxas-Verlag
Lemoynite: (Na,K)2CaZr2Si10O26·5-6(H2O)
Comments: Yellowish white, radial, spherical spray of prismatic Lemoynite crystals to 5mm in diameter on matrix. Location: Mont St. Hilaire, Quebec, Canada. Scale: Picture size 1 cm. © Tom Loomis / Dakota Matrix
Lenaite: AgFeS2
Comments: PPL polished section showing eutectic intergrowth of violet-brown lenaite with bluish-grey stephanite and freibergite (grey with a slight brownish tint). Location: Privolnoye deposit, Central Yakutia, Russia. Scale: Picture Size 0.14 mm. © Thomas Witzke
Lengenbachite: Pb6(Ag,Cu)2As4S13
Comments: Metallic gray, thin plates and sheets of lengenbachite in a vug in white dolomite. Location: Lengenbach quarry, Binntal, Valais, Switzerland. Scale: Picture width 1.2 cm. © Walter Gabriel
Comments: Shiny, opaque crystalline spray of lengenbachite on white dolomite?. Location: Lengenbach quarry, Binntal, Valais, Switzerland. Scale: Not Given. © Lou Perloff / Photo Atlas of Minerals
Lennilenapeite: K6-7(Mg,Mn,Fe++,Fe+++,Zn)48(Si,Al)72(O,OH)216·16(H2O)
Comments: Dark greenish brown sub-metallic micaceous lennilenapeite in white calcite. Location: Franklin, Sussex County, New Jersey, USA. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species
Lenoblite: V2O4·2(H2O)
Comments: Yellow coating of lenoblite on uraninite. Location: Mounana, Haut-Ogooue, Gabon. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species
Leogangite: Cu10(AsO4)4(SO4)(OH)6·8(H2O)
Comments: Cotype sample of leogangite (A. Strasser) showing the thin tabular habit parallel to (100). (Mineralogy and Petrology, 81:190). Location: Mine dumps of the Danielstollen and Inschlagalm in the Schwarzleo valley, both part of the polymetallic ore district of Leogang, Salzburg province, Austria. Scale: See Image. © Mineralogy and Petrology
Leonite: K2Mg(SO4)2·4(H2O)
Comments: Translucent pale yellow crystalline massive leonite, with white alteration coating. Location: Near Carlsbad, Eddy County, New Mexico, USA. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species