Precious Opal (Var: Black Opal)

Specimen ID: AY-HH6-W5

Gem(s)
Precious Opal (Var: Black Opal) : SiO2·nH2O
Locality
Mindat locality:
Ethiopia
Dimensions
weight: 5.51 carats
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Description
Size: 16.48 x 11.46 x 6.62 mm.
Previous data
Mineral(s)
Black Opal
Jolyon Ralph

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8,544 gemdatids have been issued as of 16th Jun 2025 4:51 am UTC