Chalcedony var. Agate
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Description:
Polished section of a nodule with a tiny bit of crystalline quartz in center surrounded by bluish section which in turn is ringed with carnelian color.
- Site: No data
- Site Number: No data
- Chemical Composition: Tectosilicate
- Hardness: 07
- Collection: Geology Collection
- Object Name: Quartz
- Object Id: GM1571
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