Gypsum with Siderite and Quartz (variety chalcedony) | #Geology…

Gypsum with Siderite and Quartz (variety chalcedony) | #Geology #GeologyPage #Mineral

Locality: Tomasa Mine, La Fortuna, Sierra Minera de Cartagena-La Unión, La Unión, Comarca Campo de Cartagena, Murcia, Region of Murcia Spain

Specimen size: 12.3 × 11.7 × 7.5 cm

Main crystal size: 7 × 3.1 cm

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Quartz (variety amethyst) | #Geology #GeologyPage…

Quartz (variety amethyst) | #Geology #GeologyPage #Mineral

Locality: La Bolsa Quarry, La Bolsa area, Artigas Department Uruguay

Specimen size: 10.3 × 9.4 × 7.2 cm

Main crystal size: 0.7 × 0.7 cm

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