About gemdatID
Opal
Specimen ID:
A4-A8V-XQ
Gem(s)
Opal
:
SiO
2
·nH
2
O
Locality
Mindat locality:
Mexico
Dimensions
weight: 1.34 carats
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Description
Size: 9.1 x 7.1 mm.
Previous data
Mineral(s)
Opal
Michael Gray (2)
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3,420 gemdatids have been issued as of 11th Dec 2025 10:37 pm UTC
