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mineraux meteorites opale ethiopie

Opale (Ethiopie)

Chemical formula SiO2 nH2O

Condition Good condition

Country of origin Ethiopia

Crystal System Amorphous

Dimension(s) 21 x 21 x 18 mm

Provenance Wollo

Transparency (Diapheny) Translucent

Weight 4.4 g

Minerals & Meteorites Minerals Opal

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Grandgibus
Numismate bibliophile.

53 1343

Opale d'Ethiopie (Wollo)

Fragile, mais des feux magnifiques.

Collection : Minéraux

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