Mineral Specimen Images (L)

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: Bluish, tabular blades of twinned langite crystals on matrix.
Location: Mollau, France. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals

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

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

Laphamite: As2(Se,S)3

Comments: Brown grain of laphamite.
Location: Northumberland County, Pennsylvania, USA. Scale: Grain size 1.5 mm.
© Thomas Witzke / Abraxas-Verlag

Laplandite-(Ce): Na4CeTiPSi7O22·5(H2O)

Comments: Grayish-white radial aggregates of laplandite-(Ce).
Location: Yubileinaya pegmatite, Karnasurt Mt, Lovozero Massif, Kola Peninsula, Russia. Scale: Picture Size 3 mm.
© Diederik Visser

Larderellite: (NH4)B5O6(OH)4

Comments: Colorless larderellite crystals.
Location: Larderello, Cecina Valley, Pisa province, Tuscany, Italy. Scale: Picture size 4 mm.
© Thomas Witzke / Abraxas-Verlag

Larisaite: Na(H3O)(UO2)3(SeO3)2O2·4(H2O)

Comments: Yellow, acicular, radial sprays of greenish yellow larisaite on matrix.
Location: Repete Mine, San Juan County, Utah, USA. Scale: Picture size 1.5 mm.
© Paul M. Schumacher

Larnite: Ca2SiO4

Comments: Gray larnite masses in rock.
Location: Scawt Hills, Larne, County Antrim, Northern Ireland. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Larnite: Ca2SiO4  
Paraspurrite: Ca5(SiO4)2(CO3)

Comments: Violet-tinted gray crystalline pure paraspurrite mass with larnite veinlets.
Location: Near Darwin, Inyo County, California, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Larsenite: PbZnSiO4

Comments: Aggregate of acicular microcrystals and crystalline larsenite.
Location: Franklin, Sussex County, New Jersey, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Lasalite: Na2Mg2(V10O28)·20H2O

Comments: Bright orange efflorescent lasalite crust on sandstone.
Location: Vanadium Queen mine, San Juan Co., Utah, USA. Scale: Picture Size 2 x 2 cm.
© Tom Loomis / Dakota Matrix

Lasalite: Na2Mg2(V10O28)·20H2O

Comments: Lasalite crystals on sandstone surface. (CanMin, v46:1365).
Location: Vanadium Queen mine, 18 km east of La Sal, San Juan County, Utah, USA. Scale: Picture size 3 mm.
© Joe Marty/Canadian Mineralogist

Latiumite: (Ca,K)8(Al,Mg,Fe)(Si,Al)10O25(SO4)

Comments: Tan opaque prismatic crystals of latiumite.
Location: Capagnano, Lazio, Italy. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species