Geology

Geology

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

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Geology > Minerals

seifertite

Geology; Minerals

Seifertite is a silicate mineral with the formula SiO 2 and is one of the densest polymorphs of quartz. It has only been found in Martian and lunar meteorites where it is ...

anglesite

Geology; Minerals

Anglesite is a lead sulfate mineral with the chemical formula PbSO 4 . It occurs as an oxidation product of primary lead sulfide ore, galena. Anglesite occurs as prismatic ...

antimony

Geology; Minerals

Antimony is a chemical element with symbol Sb (from Latin: stibium) and atomic number 51. A lustrous gray metalloid, it is found in nature mainly as the sulfide mineral stibnite ...

brezinaite

Geology; Minerals

Brezinaite, discovered in 1969, is a rare mineral composed of chromium and sulfur. It is found in meteorites, such as the Irwin-Ainsa meteorite (Tucson meteorite), it's type ...

dmitryivanovite

Geology; Minerals

Dmitryivanovite is a natural mineral composed of calcium, aluminium and oxygen, with the molecular formula CaAl 2 O 4 . It was reported in 2009 in a calcium-aluminium-rich ...

astrophyllite

Geology; Minerals

Astrophyllite is a very rare, brown to golden-yellow hydrous potassium iron titanium silicate mineral. Belonging to the astrophyllite group, astrophyllite may be classed either as ...

cerite

Geology; Minerals

Cerite is a complex silicate mineral group containing cerium, formula (Ce,La,Ca) 9 (Mg,Fe +3 )(SiO 4 ) 6 (SiO 3 OH)(OH) 3 . The cerium and lanthanum content varies with the Ce ...