Precious Opal (Var: Black Opal)

Specimen ID: A3-23M-1M

Gem(s)
Precious Opal (Var: Black Opal) : SiO2·nH2O
Locality
Mindat locality:
Ethiopia
Dimensions
weight: 4.41 carats
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Description
Size: 15.49 x 10.84 x 5.7 mm.
Previous data
Mineral(s)
Black Opal
Jolyon Ralph

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