Minerals

Minerals

Naturally occurring substance that is solid and stable at room temperature, representable by a chemical formula, usually abiogenic, and has an ordered atomic structure. It is different from a rock, which can be an aggregate of minerals or non-minerals, and does not have a specific chemical composition. The general definition of a mineral encompasses the following criteria: 1 - Naturally occurring 2 - Stable at room temperature 3 - Represented by a chemical formula 4 - Usually abiogenic 5 - Ordered atomic arrangement

Industry: Geology; Mining

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Minerals

Blå diamant

Mining; Minerals

Det er blevet rapporteret på msn.news.com, en sjælden 29,6 karat blå diamant for nylig er blevet opdaget i Sydafrika med en pris værdi spænder inden for millioner af dollars. De mellemstore agern ...