mineral
Green Aventurine
Silicon Dioxide (SiO2) with inclusions of Fuchsite (Mica)
AI-generated identification · may be incorrectHardness: 7 Mohs; Color: Forest green to sparkly light green; Luster: Vitreous to waxy; Crystal structure: Trigonal/Hexagonal; Cleavage: None; Specific Gravity: 2.64-2.69. Known for aventurescence (a glistening effect).
- Hardness
- 7 Mohs
- Color
- Forest green to sparkly light green
- Luster
- Vitreous to waxy
Identified More mineral →
Explore Green Aventurine in the encyclopedia →Identify your own rocks.
Get a report just like this from any photo, free.
Physical properties
Hardness: 7 Mohs; Color: Forest green to sparkly light green; Luster: Vitreous to waxy; Crystal structure: Trigonal/Hexagonal; Cleavage: None; Specific Gravity: 2.64-2.69. Known for aventurescence (a glistening effect).
Formation & geological history
Forms in metamorphic rocks such as phyllites and schists, as well as in hydrothermal veins. The color is derived from inclusions of chromium-rich fuchsite mica. Formation occurs over millions of years through recrystallization of quartz.
Uses & applications
Primarily used for jewelry (beads, cabochons), metaphysical practices, ornamental carvings, and tumbled stones for collectors.
Geological facts
Aventurine is often called the 'Stone of Opportunity.' Its name comes from the Italian 'a ventura,' meaning 'by chance,' originally referring to the accidental discovery of aventurine glass in the 18th century.
Field identification & locations
Identify by its characteristic green color and internal 'specks' or sparkles caused by mica. Commonly found in India, Brazil, Russia, and Tanzania. Often confused with jade or green quartz.
