Geology

Geology

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

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Geology > Minerals

canavesite

Geology; Minerals

Canavesite, Mg 2 (HBO 3 )(CO 3 )·5H 2 O, is a rare carboborate mineral from the abandoned Brosso mine in Italy. Canavesite is a secondary mineral that occurs due to the weathering ...

chrysoberyl

Geology; Minerals

The mineral or gemstone chrysoberyl is an aluminate of beryllium with the formula BeAl 2 O 4 . The name chrysoberyl is derived from the Greek words χρυσός chrysos and βήρυλλος ...

mereheadite

Geology; Minerals

Mereheadite is a rare oxychloride that can be found with Mendipite at Merehead quarry, Cranmore, Somerset, in the United Kingdom. Most specimens are associated with Calcite, ...

fluor-buergerite

Geology; Minerals

Fluor-buergerite, originally named buergerite, is a mineral species belonging to the tourmaline group. It was first described for an occurrence in rhyolitic cavities near ...

tyuyamunite

Geology; Minerals

Tyuyamunite (pronounced tuh-YOO-ya-moon-ite) is a very rare uranium mineral with formula Ca(UO 2 ) 2 V 2 O 8 ·(5-8)H 2 O. It is a member of the carnotite group. It is a bright, ...

selenium

Geology; Minerals

Selenium is a chemical element with symbol Se and atomic number 34. It is a nonmetal with properties that are intermediate between those of its periodic table column-adjacent ...

afwillite

Geology; Minerals

Afwillite is a calcium hydroxide nesosilicate mineral with formula Ca 3 (SiO 3 OH) 2 ·2H 2 O. It occurs as glassy, colorless to white prismatic monoclinic crystals. Its Mohs scale ...