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Chrysoberyl

Chemical Formula

BeAl2O4

Chemical Class

Oxides

Properties

High hardness rare mineral, around 8.5, vitreous to resin gloss, usually presents greenish shades, but also yellowish, red and even brown ones.

Origin

Teixeira de Freitas, MG, Brazil.

Curiosities

The first chrysoberyl occurrence was registered in Minas Gerais, and it is a Brazilian mineral type. Later, it was also found in Bahia and Espírito Santo.

Use

Alexandrite variety is a valuable and rare gemstone, achieving large values in fine samples.

Source: MM Gerdau - Museu das Minas e do Metal -

ABC of mining

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