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Learn about Gemstones Phenakite Color: colorless, light yellow, light pinkish or brownish Hardness: 7.5 - 8 Refractive Index: 1.65 – 1.69 Density: 2.95 Chemical Composition: Be2SiO4 Crystal Structure: hexagonal Origins: USA, Brazyl, France, Switzerland, Tanzania, Madagascar, Russia, Sri Lanka. Back

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