Quartz

Quartz var. Rose

Sierra do Cabral, Minas Gerais, Brazil.

Quartz var. Faden

North Waziristan, Pakistan.

Quartz var. Rose

Sierra do Cabral, Minas Gerais, Brazil.

Quartz var. Chalcedony

N'Chawaning Mine, Cape Province, South Africa

Quartz and Dolomite

Sunnerskog Mine, Alseda, Vetlanda, Småland, Sweden

Quartz var. Amethyst

Thunder Bay, Ontario, Canada

Quartz var. Rock Crystal

Ratiborice, Czech Republic

Quartz var. Amethyst

Hawks Tor China Clay Pit, Wadebridge, Cornwall, England.

Quartz

Wheal Martyn China Clay Pit, St Austell, Cornwall, England.

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