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Carnelian Gemology | |||
Information on all GemstonesCategorized, then alphabetized.
PRECIOUS
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Price level: Carnelian Gemology Chemical formula: silicon dioxide, SiO2 Hardness: 6.5-7 Chalcedony: Micro-Crystaline Quartz Fracture: conchoidial, splintery Colored by Iron oxide Luster: vitrious, greasy Still have a question? Ask it on our gemstone forum
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