Green Aventurine
Quartz var. Aventurine · Semi-Precious Gemstone
Crystal System
Trigonal, shaped into a manufactured hexagonal prism pendant
Mineral Group
Silicates
Chemical Formula
SiO2 with Fuchsite or Chrome-bearing Mica inclusions
Formation Process
Hydrothermal and metamorphic processes involving quartz veins with inclusion of other minerals like mica or fuchsite
About This Crystal
The specimen is a carved and polished crystal pendant in a hexagonal point shape, held in a silver-toned metal bail. It exhibits a pale to medium soft green body color with a translucent to opaque appearance and a vitreous to waxy luster.
Physical Characteristics
Color is pale green, white streak, conchoidal fracture with no distinct cleavage planes visible on the shaped piece, specific gravity approximately 2.65, brittle tenacity, and typically inert under UV light
Optical Properties
Singly or doubly refractive quartz base with a refractive index of 1.544 to 1.553, low birefringence, uniaxial positive, and often displaying a glittering effect called aventurescence due to tiny flat inclusions
Hardness & Durability
Origin Region
India, Brazil, Russia, and China; commonly found in metamorphic and quartz-rich rocks
Hardness & Durability
Mohs hardness of 7 for the quartz base, good durability, resistant to scratching by most common household items, suitable for daily jewelry wear
Care & Maintenance
Clean with warm soapy water and a soft brush, avoid harsh chemicals or prolonged exposure to direct sunlight to prevent any potential fading, store separately from softer gemstones
Rarity & Value
Common and widely accessible, value is generally low to moderate depending on the quality of aventurescence and stone size, commonly shaped into tumbled stones and jewelry components
Special Characteristics
Features aventurescence, a shimmering or glittering effect caused by light reflecting off small included mica or fuchsite platelets suspended within the quartz
Lore & History
Historically used as an amulet for good luck, prosperity, and opportunity. In modern crystal healing, it is traditionally associated with the Heart Chakra, symbolizing emotional tranquility, abundance, and growth, though these are cultural beliefs rather than scientific claims.