Geographic Minerals

Lautite is a rare mineral belonging to the class of sulfides and sulfosalts with the general formula CuAsS. It is a mineral consisting of a…

Laurite is an opaque black, metallic ruthenium sulfide mineral with formula: RuS2. It is a mineral consisting of an iron-black ruthenium sulfide often containing osmium…

Laurionite, [formula – PbCl(OH)] is a lead halide mineral. It is a colourless mineral composed of basic lead chloride, occurring in prismatic crystals; it is…

Laumontite is a mineral, one of the zeolite group. It is a white monoclinic mineral consisting of a hydrous calcium and aluminium silicate. Its molecular…

Larnite is a member of the olivine group of minerals. It is a calcium silicate mineral with formula: Ca2 SiO4. It is a mineral consisting…

Laplandite has a general formula of Na4CeTiPO4Si7O18•52O, and is found primarily in igneous rocks. This silicate mineral has been found as inclusions in pegmatites, primarily…

Lanthanites are a group of isostructural rare earth element (REE) carbonate minerals. It is a mineral generally composed of hydrous lanthanum carbonate occurring in white…

Lansfordite is a hydrated magnesium carbonate mineral with composition: MgCO3·5H2O. It is a soft monoclinic hydrated magnesium carbonate mineral. It is a mineral composed of…

Langite is a rare hydrated copper sulfate mineral, with hydroxyl, found almost exclusively in druses of small crystals. It is a mineral [Cu4(SO4)(OH)6·2H2O] composed of…

Langbeinite is a potassium magnesium sulfate mineral with the chemical formula K2Mg2(SO4)3. Langbeinite crystallizes in the isometric-tetartoidal system as transparent colorless or white with pale…

Lanarkite is a mineral, a form of lead sulfate with formula Pb2(SO4)O. It is a mineral consisting of sulphate of lead, occurring either massive or…

Labradorite is a Feldspar mineral (formula: [(Ca, Na)(Al, Si)4O8], which is the most abundant group of minerals that can be found in the earth’s crust.…