Precious Opal (Var: Boulder Opal)

Specimen ID: DU-FWT-4A

Gem(s)
Precious Opal (Var: Boulder Opal) : SiO2·nH2O
Locality
Mindat locality:
Dimensions
16.42mm x 24.94mm x ?mm
weight: 29.52 carats
Certificates
Description
This cut is referred to as a "Freeform Cabochon"
Previous data

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8,544 gemdatids have been issued as of 1st Jul 2025 11:12 pm UTC