Precious Opal (Var: Black Opal)

Specimen ID: BJ-2J1-37

Gem(s)
Precious Opal (Var: Black Opal) : SiO2·nH2O
Locality
Mindat locality:
Ethiopia
Dimensions
weight: 6.92 carats
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Description
Size: 18.53 x 13.31 x 6.44 mm.
Previous data
Mineral(s)
Black Opal
Jolyon Ralph

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8,544 gemdatids have been issued as of 28th Aug 2025 10:24 am UTC