Quartz (Var: Chalcedony)

Specimen ID: CX-UMW-DH

Gem(s)
Quartz (Var: Chalcedony) : SiO2
Locality
Mindat locality:
Brazil
Dimensions
weight: 31.47 carats
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Description
Size: 23.76 x 19.2 x 9.87 mm.
Previous data
Mineral(s)
Chalcedony
Jolyon Ralph

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8,544 gemdatids have been issued as of 31st Aug 2025 12:17 pm UTC