Quartz (Var: Chalcedony)

Specimen ID: AM-EBA-U8

Gem(s)
Quartz (Var: Chalcedony) : SiO2
Locality
Mindat locality:
Tehachapi, Tehachapi Mountains, Kern County, California, USA
Dimensions
weight: 3.9 carats
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Description
Size: 12.2 x 8.0 mm. Known under the trade name "Mojave Blue".
Previous data
Mineral(s)
Chalcedony
Michael Gray (2)

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3,420 gemdatids have been issued as of 11th Dec 2025 2:46 am UTC