staurolite značenje | engleski leksikon

staurolite

imenicamineral

Množina: staurolites

Značenje:

Silicate mineral, (Fe,Mg)2(Al,Fe)9Si4O20(OH)2 . It forms brown crystals that may be twinned in the form of a cross. It is a useful indicator of medium grade (moderate temperature and pressure) in metamorphic rocks formed from clay sediments.

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Reč dana 19.09.2024.

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