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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

Contributors in Minerals

Minerals

Diamante mexicano

Geology; Minerals

Diamante mexicano é um termo enganador para o cristal de rocha e não um diamante.

Diamante azul

Mining; Minerals

Tem sido relatado na msn.news.com que um diamante raro quilate 29,6 azul recentemente foi descoberto na África do Sul com um valor de preço que variam dentro de dezenas de milhões de dólares. o ...

Obsidiana Mahogany

Geology; Minerals

A Obsidiana Mahogany (também chamada lágrima Apache) é uma obsidiana amarronzada. Esse mineral vítreo e lustroso é encontrado em fluxos de lava, e as pedras de obsidiana podem ser enormes. A ...

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