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Tourmaline

Tourmaline occurs in many different colours and some crystals show zones of several distinct colours. Commercial terms include: rubellite (red), indicolite (dark blue), paraiba (electric blue to green), watermelon (pink and green). Stones may be heat treated to improve colour (esp. paraiba). Hardness: 7-7.5 (Mohs).

Page 1 of 1:    3 Items


Page 1 of 1:    3 Items