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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
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
Letovicite: (NH4)3H(SO4)2
Comments: Pearly opaque white crystalline letovicite on matrix. Location: Kladno, Stredocesky, Czech Republic. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species
Leucophosphite: KFe+++2(PO4)2(OH)·2(H2O)
Comments: Transparent greenish brown microcrystal of leucophosphite. Location: Lone Tree Mine, Humboldt County, Nevada, USA. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species
Leucosphenite: Na4BaTi2O2[B2Si10O28]
Comments: Glassy crystal of leucosphenite in mudstone. Location: Uintah Basin, Uintah County, Utah, USA. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species
Liandratite: U++++++(Nb,Ta)2O8
Comments: Yellow crystalline liandratite crust on pegmatite. Location: Antsakoa I Pegmatite, near Berere, Mahajanga, Madagascar. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species
Liddicoatite: Ca(Li,Al)3Al6(BO3)3Si6O18(O,OH,F)4
Comments: Dark green translucent liddicoatite crystal prism. Location: Antandrokomby, Madagascar. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species
Lillianite: Pb3Bi2S6
Comments: Gray metallic massive lillianite in clear quartz. Location: Gladhammar, Kalmar, Sweden. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species
Lindstromite: Pb3Cu3Bi7S15
Comments: Silvery metallic lindstromite on matrix. Location: Silver Miller Mine, Cobalt, Ontario, Canada. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species
Lintisite: Na3LiTi2Si4O14·2(H2O) Serandite: Na(Mn++,Ca)2Si3O8(OH)
Comments: Yellowish-white fibrous veinlets of lintisite in brown serandite. Location: Mount Alluaiv, Lovozero Massif, Kola Peninsula, Murmansk District, Russia. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species