About gemdatID
Precious Opal (Var: Black Opal)
Specimen ID:
B9-12G-K4
Gem(s)
Precious Opal
(Var:
Black Opal
) :
SiO
2
·nH
2
O
Locality
Mindat locality:
Mexico
Dimensions
weight: 16.01 carats
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Description
Black opal with strong play-of-color in matrix. Measurements: 20.2 x 14.3 x 9.24 mm.
Previous data
Mineral(s)
Black Opal
Jolyon Ralph
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8,544 gemdatids have been issued as of 9th Jul 2025 1:04 pm UTC