About gemdatID
Precious Opal (Var: Black Opal)
Specimen ID:
DK-85U-V8
Gem(s)
Precious Opal
(Var:
Black Opal
) :
SiO
2
·nH
2
O
Locality
Mindat locality:
Ethiopia
Dimensions
weight: 20.04 carats
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Description
Size: 21.62 x 17.81 x 11.28 mm.
Previous data
Mineral(s)
Black Opal
Jolyon Ralph
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8,544 gemdatids have been issued as of 16th Jun 2025 3:58 am UTC