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mineraux meteorites quartz a hollandite mineraux meteorites quartz a hollandite

Quartz à hollandite

Chemical formula SiO2

Complementary minerals Hollandite

Condition Very good condition

Country of origin Madagascar

Crystal System Trigonal

Dimension(s) 29 x 16 x 14 mm

Transparency (Diapheny) Transparent

Weight 11.3 g

Minerals & Meteorites Minerals Quartz

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Grandgibus
Numismate bibliophile.

53 1343

Belle petite pièce, resurfacée, avec inclusions stellaires d'hollandite : Ba(Mn4+6Mn3+2)O16.

 

Baptisée en l'honneur de Sir Thomas Henry Holland (1868-1947), géologue britannique. 

 

Collection : Minéraux

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