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Andalusite facts for kids

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Andalusite - Malacheta, Minas Gerais, Brazil
Andalusite

Andalusite is an aluminium nesosilicate mineral with the chemical formula Al2SiO5. At higher temperatures and pressures, andalusite may convert to sillimanite. Andalusite is an index mineral: it gives clues to the depth and pressures the host rock went through in the past.

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  • Round faceted andalusite 1

    Round faceted andalusite

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