Bloodstone
About
Bloodstone (heliotrope) is a dark green chalcedony with red or brown spots of iron oxide that resemble blood droplets. Bloodstone has been revered since ancient times and is associated with courage, protection and vitality. It’s been used in carvings, amulets and healing for centuries. Main sources are India, Brazil and Australia.
Birthstones & Anniversaries
Bloodstone is an alternate birthstone for March and is traditionally associated with Aries, symbolising strength, resilience and grounding.
Crystal Healing Energy
Bloodstone is about vitality and protection. Bloodstone is said to provide physical and emotional strength, boost energy and purify body and spirit. Used in crystal healing to build resilience, reduce stress and take action.
Facts
Historical Significance: In ancient times, bloodstone was believed to have magical properties, including the ability to heal wounds and protect against negative energies.
Durable and Versatile: With a Mohs hardness of 6.5 to 7, bloodstone is suitable for jewellery and carvings.
Geographical Sources: India is the leading producer of bloodstone, with significant deposits also found in Brazil and Australia.
Iron Oxide Inclusions: The red spots in bloodstone are caused by hematite or other iron oxides.
Science
Mineral: Chalcedony (quartz variety)
Crystal System: Trigonal
Chemistry: SiO₂ with iron oxide inclusions
Colour: Dark green with red or brown spots
Refractive Index: 1.530 to 1.540
Specific Gravity: 2.58 to 2.64
Mohs Hardness: 6.5 to 7
TreatmentsBloodstone is mostly untreated.
Synthetics No synthetics known.
Imitations Dyed jasper and quartz may be used used as imitations of bloodstone. These material may mimic the green and red colours but lack the natural pattern of bloodstone.
similar materialsJasper: Red jasper may look like bloodstone but lack the green base colour and blood-like spots.
Green Aventurine: has a much brighter green hue and lacks the distinct red spots.
Carnelian: Another chalcedony variety, but orange-red and lack green tones.