About gemdatID
Opal
Specimen ID:
DU-979-50
Gem(s)
Opal
:
SiO
2
·nH
2
O
Locality
Mindat locality:
Oregon, USA
Dimensions
weight: 2.07 carats
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Description
Size: 8.0 mm.
Previous data
Mineral(s)
Opal
Michael Gray
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8,544 gemdatids have been issued as of 17th Aug 2025 8:42 am UTC
