Geology

Geology

The scientific study of the origin, history, and physical features of the earth.

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Geology > Minerals

abswurmbachite

Geology; Minerals

Abswurmbachite is a copper manganese silicate mineral ((Cu,Mn 2+ )Mn 3+ 6 O 8 SiO 4 ). It was first described in 1991 and named after Irmgard Abs-Wurmbach (born 1938), a German ...

allargentum

Geology; Minerals

Allargentum is a mineral from the class of antimonides, superclass of sulfides and sulfosalts (sometimes ascribed to the natural elements and alloys class), with formula written ...

saliotite

Geology; Minerals

Saliotite is a rare colorless to pearl white phyllosilicate mineral in the smectite group with formula (Li,Na)Al 3 (AlSi 3 O 10 )(OH) 5 . It is an ordered 1:1 interstratification ...

sylvite

Geology; Minerals

Sylvite is potassium chloride (KCl) in natural mineral form. It forms crystals in the isometric system very similar to normal rock salt, halite (NaCl). The two are, in fact, ...

jarosite

Geology; Minerals

Jarosite is a basic hydrous sulfate of potassium and iron with a chemical formula of KFe 3+ 3 (OH) 6 (SO 4 ) 2 . This sulfate mineral is formed in ore deposits by the oxidation ...

mullite

Geology; Minerals

Mullite or porcelainite is a rare silicate mineral of post-clay genesis. It can form two stoichiometric forms 3Al 2 O 3 2SiO 2 or 2Al 2 O 3 SiO 2 . Unusually, mullite has no ...

mirabilite

Geology; Minerals

Mirabilite, also known as Glauber's salt, is a hydrous sodium sulfate mineral with the chemical formula Na 2 SO 4 ·10H 2 O. It is a vitreous, colorless to white monoclinic mineral ...