Aquamarine-blame pliny!

Article Abstract:

Aquamarine is marine-blue beryl, the color of aquamarine is blue or green due to iron and it occurs in pegmatites and miarolitic cavities in granites. Details regarding this rock about its color, specific gravity, hardness and its occurence are described.

Origin, Beryl

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Fluorite has it all!

Article Abstract:

Fluorite is an industrial mineral occurring in different geological environments. It is used as a flux in the production of steel, for hydrofluoric acid for producing synthetic cryolite and for ceramics and opalescent glass.

Fluorspar

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Crocoite - you know it better than you think

Article Abstract:

The appearance, properties and dimensions of crocoite mineral are discussed.

Lead and zinc ores, Lead Ore and Zinc Ore Mining, Lead Ores, Minerals, Minerals (Geology)

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