mineral
Bloodstone
Chalcedony (Variety Heliotrope)
AI-generated identification · may be incorrectHardness of 6.5 to 7 on the Mohs scale, dark green color with distinct red or brown iron oxide spots, waxy to vitreous luster, and microcrystalline quartz structure.
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Physical properties
Hardness of 6.5 to 7 on the Mohs scale, dark green color with distinct red or brown iron oxide spots, waxy to vitreous luster, and microcrystalline quartz structure.
Formation & geological history
Forms in hydrothermal veins and cavity fillings at shallow depths, typically through the deposition of silica-rich groundwater at low temperatures.
Uses & applications
Used primarily in lapidary arts for making cabochons, signet rings, carvings, and as a traditional talisman or healing gemstone.
Geological facts
Also known as heliotrope, it was historically called the 'Stone of Babylon' and ancient soldiers believed it could stop bleeding.
Field identification & locations
Identified by its opaque dark green body combined with blood-like red jasper inclusions; commonly sourced from India, Brazil, and Australia.
