Quartz (variety amethyst) - Alto Uruguai region, Brazil - 10.5 x 11.3 cm, FOV ~ 5.0 x 6.0 cm

Mineral: Quartz (variety amethyst)
Locality: Ametista do Sul, Alto Uruguai region, Rio Grande do Sul, Brazil
Dimensions: 10.5 x 11.3 cm, FOV ~ 5.0 x 6.0 cm

Description: A scalenohedral calcite crystal on amethyst crystals included with sprays of goethite.