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Landesite: (Mn,Mg)9Fe+++3(PO4)8(OH)3·9(H2O)
Comments: Brown translucent crystalline crust of landesite. Location: Hagendorf-Sud, Bayern, Germany. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species
Langbanite: (Mn,Ca,Fe)++4(Mn+++,Fe+++)9Sb+++++Si2O24
Comments: Stout black langbanite crystal in white matrix. Location: Langban, Varmland, Sweden. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species
Langbeinite: K2Mg2(SO4)3
Comments: Pale brownish pink crystalline aggregate of langbeinite. Location: Carlsbad, Eddy County, New Mexico, USA. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species
Langisite: (Co,Ni)As
Comments: Gray metallic massive langisite, altering, in white quartzite. Location: Uncompaghre Mountains, Montrose County, Colorado, USA. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species
Langite: Cu4(SO4)(OH)6·2(H2O)
Comments: Encrustation of small (less than one mm.) sky blue langite crystals, on matrix. Location: Lubietova, Slovakia. Scale: Picture size 1.5 cm. © Sandro Maggia/Minernet.it
Comments: Bluish, tabular blades of twinned langite crystals on matrix. Location: Mollau, France. Scale: Not Given. © Lou Perloff / Photo Atlas of Minerals
Lannonite: HCa4Mg2Al4(SO4)8F9·32(H2O)
Comments: White crusts of lannonite on matrix. Location: Silver City, Grant County, New Mexico, USA. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species
Lansfordite: MgCO3·5(H2O) Barringtonite: MgCO3·2(H2O)
Comments: Optical images of clusters of glassy lansfordite crystals and one white dehydrated barringtonite ? crystal. (AmMin, 88:1883). Location: Crystals associated with the remains of a saguaro, Carnegiea gigantea from south and west central Arizona. Scale: Scale bar 800 µ-m. © American Mineralogist
Lanthanite-(Ce): (Ce,La)2(CO3)3·8(H2O)
Comments: Brownish, square crystals of lanthanite-(Ce) ?. Location: Curitiba, Parana, Brazil. Scale: Not Given. © Lou Perloff / Photo Atlas of Minerals
Lanthanite-(Nd): (Nd,La)2(CO3)3·8(H2O)
Comments: Beige aggregate of scaly, platy lanthanite-(Nd) crystals. Location: Curitiba, Paranà, Brazil. Scale: 2.5 x 2 cm. © Sandro Maggia/Minernet.it