Calcite, Quartz, Quartz (var. chalcedony) — Mineral Expert

Mineral photo of Calcite, Quartz, Quartz (var. chalcedony) from locality Rio Grande do Sul, Brazil — Calcite, Quartz, Quartz (var. chalcedony)

Rio Grande do Sul, Brazil

Size: 10 × 9 mm

Photo by: Vítězslav Snášel

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