mineral
Bloodstone
Chalcedony quartz variety (SiO2)
AI-generated identification · may be incorrectHardness of 6.5-7 on the Mohs scale, dark green color with red jasper spots, vitreous to waxy luster, and microcrystalline structure.
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Physical properties
Hardness of 6.5-7 on the Mohs scale, dark green color with red jasper spots, vitreous to waxy luster, and microcrystalline structure.
Formation & geological history
Formed through the deposition of silica-rich groundwater in cavities and fractures of rocks at low temperatures.
Uses & applications
Used primarily for making jewelry, intaglios, signet rings, and ornamental carvings.
Geological facts
Historically known as the martyr's stone due to legends that its red spots formed from the blood of Jesus.
Field identification & locations
Identified by its deep green base color combined with distinct red or brown inclusions; commonly sourced from India, Brazil, and Australia.
