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Dolomite after Calcite with Quartz


A VERY cool specimen of cogswheel shaped calcites pseudomorphed to dolomite and then nearly completely coated with a thin layer of quartz crystals. Terrific for a Mexican or pseudomorph suite.

Locality: San Vincente Mine, Guanajuato Mexico

Composition: calcium magnesium carbonate coated by silicon dioxide

Availability: 1 in stock

Dimensions 6.5 × 3.8 × 3.5 cm