PROPERTIES RI: 1.544 – 1.553 Hardness: 7 Specific Gravity: 2.66 Species: Quartz Optic Character: Double Refractive Phenomena: None MAJOR SOURCES Africa, Brazil, Uruguay, Canada, US ENHANCEMENTS Heat, Irradiation – This treatment is permanent and does not need special care. Purple passion! From refreshing lilac to ripe plum, the drama and excitement of purple are fully [...]
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