Halloysite: Properties and Occurrences
Halloysite is an aluminosilicate clay mineral with the empirical formula Al2Si2O5(OH)4. It is a monoclinic-domatic mineral containing aluminum, hydrogen, oxygen, and silicon. Its main constituents…
Geographic Minerals
Halite: Properties and Occurrences
Halite commonly known as rock salt, is a type of salt, the mineral (natural) form of sodium chloride (NaCl). It is a naturally occurring crystalline…
Håleniusite-(La)
Håleniusite-(La), (La, Ce)OF is a yellow isometric mineral. It has a dull, earthy luster. It was discovered in 1986 at Bastnäs mines, Riddarhyttan, Skinnskatteberg, Västmanland,…
Haiweeite: Properties and Occurrences
Haiweeite is a mineral of uranium and has the chemical formula: Ca[(UO2)2Si2O12(OH)2]· 3(H2O). It is an orthorhombic-dipyramidal mineral containing calcium, hydrogen, oxygen, silicon, and uranium.…
Haidingerite
Haidingerite is a calcium arsenate mineral with formula Ca(AsO3OH)·H2O. It is a mineral consisting of white hydrous calcium arsenate. It was originally discovered in 1827…
Haggertyite: Properties and Occurrences
Haggertyite is a rare barium, iron, magnesium, titanate mineral: Ba(Fe2+6Ti5Mg)O19 first described in 1996 from the Crater of Diamonds State Park near Murfreesboro in Pike…
Hagendorfite
Hagendorfite is an iron phosphate mineral with the chemical formula of (Na, Ca)MnFe2(PO4)3 and is named after where the mineral was discovered, Hagendorf-Süd, Bavaria, Germany.…
Garnierite: Properties and Occurrences
Garnierite is a general name for a green nickel ore which is found in pockets and veins within weathered and serpentinized ultramafic rocks. It is…
Hafnon: Properties and Occurrences
Hafnon is a hafnium nesosilicate mineral, chemical formula (Hf, Zr)SiO4 or (Hf, Zr, Th, U, Y)SiO4. It is a mineral of hafnium silicate ore, produced…
Gypsum: Properties and Occurrences
Gypsum is a soft sulfate mineral composed of calcium sulfate dihydrate, with the chemical formula CaSO4·2H2O. It is a soft white or grey mineral consisting…
Gwihabaite: Properties and Occurrences
Gwihabaite is a rare ammonium potassium nitrate mineral (NH4, K)(NO3). It is a rare ammonium potassium nitrate mineral, orthorhombic in form and colorless with a…
Guyanaite: Properties and Occurrences
Guyanaite (CrOOH) is a chromium oxide mineral that forms as an intergrowth with other chromium oxide minerals known as bracewellite (CrOOH) and grimaldiite (CrOOH) as…
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