Science

Lopezite is a rare red chromate mineral with chemical formula: K2Cr2O7. It crystallizes in the triclinic crystal system. It is a rare red triclinic chromate…

Loparite-(Ce) is a granular, brittle oxide mineral of the perovskite class. It is a brown to black mineral; a variety of perovskite containing alkalies and…

Lonsdaleite also called a hexagonal diamond in reference to the crystal structure, is an allotrope of carbon with a hexagonal lattice. The great heat and…

Loellingite, also spelled löllingite, is an iron arsenide mineral with formula FeAs2. It is a mineral consisting of a tin-white iron arsenide that is isomorphous…

Lizardite, which is much more common, forms a solid solution series with népouite. Extremely fine-grained, scaly lizardite (also called orthoantigorite) comprises much of the serpentine…

Népouite is a rare nickel silicate mineral which has the apple green color typical of such compounds. It is a mineral consisting of a hydrous…

Livingstonite is a mercury antimony sulfosalt mineral. It is a mineral HgSb4S7 consisting of a lead-gray mercury antimony sulfide resembling stibnite. It occurs in low-temperature…

Liroconite is a complex mineral: Hydrated copper aluminum arsenate hydroxide, with the formula Cu2Al[(OH)4|AsO4]·4(H2O). It is a beautiful mineral that is not often available from…

Lipscombite, formula – (Fe2+, Mn2+)(Fe3+)2(PO4)2(OH)2 is a green-gray, olive green, or black. phosphate-based mineral containing iron, magnesium, and iron phosphate. It is a tetragonal-trapezohedral mineral…

Linnaeite is a cobalt sulfide mineral with the composition Co2+Co3+2S4. It was discovered in 1845 in Västmanland, Sweden, and was named to honor Carl Linnaeus…

Lindgrenite is an uncommon copper molybdate mineral with formula: Cu3(MoO4)2(OH)2. It occurs as tabular to platey monoclinic green to yellow-green crystals. It is a mineral…

Linarite is a somewhat rare, crystalline mineral that is known among mineral collectors for its unusually intense, pure blue color. It is known for its…