Precious Opal (Var: Boulder Opal)

Specimen ID: D4-K4T-DM

Gem(s)
Precious Opal (Var: Boulder Opal) : SiO2·nH2O
Locality
Mindat locality:
Australia
Dimensions
weight: 20.02 carats
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Description
Size: 24.86 x 17.39 x 5.96 mm.
Previous data
Mineral(s)
Boulder Opal
Jolyon Ralph

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