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
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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