Quartz - Siena Province, Italy - 21 x 21 mm; 15 x 14 mm
Mineral:
Quartz
Locality:
Abbadia San Salvatore, Siena Province, Tuscany, Italy
Dimensions:
21 x 21 mm; 15 x 14 mm
Description:
Loose crystals with a pseudo bipyramidal habit (prism is absent).
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