Green Aventurine
Quartz var. Aventurine · Semi-Precious Gemstone
Crystal System
Trigonal, massive or tumbled habit
Mineral Group
Silicates
Chemical Formula
SiO2 with fuchsite inclusions
Formation Process
Hydrothermal and pegmatitic formation with chromium-rich mica inclusions
About This Crystal
Tumbled and polished green aventurine gemstone with a light to medium translucent green color and characteristic glittery sheen caused by mineral inclusions.
Physical Characteristics
Light green body color, white streak, conchoidal fracture, no cleavage, specific gravity around 2.65, vitreous to greasy luster
Optical Properties
Singly or doubly refractive depending on aggregate structure, refractive index around 1.544-1.553, displays aventurescence due to tiny plate-like inclusions
Hardness & Durability
Origin Region
India, Brazil, Russia, Austria
Hardness & Durability
Mohs hardness of 7, good toughness, durable for daily jewelry wear
Care & Maintenance
Clean with warm soapy water and a soft cloth, avoid harsh chemicals and prolonged direct sunlight to prevent fading
Rarity & Value
Common, very affordable, widely available as tumbled stones and beads
Special Characteristics
Aventurescence, a glittering metallic appearance caused by light reflecting off small included flakes of fuchsite
Lore & History
Often called the stone of opportunity, traditionally associated with the heart chakra, attracting luck, abundance, and emotional tranquility