mineral
Green Aventurine
Silicon Dioxide (Quartz with Fuchsite inclusions), SiO2
Hardness: 7 Mohs; Color: Forest green to light green; Luster: Vitreous to waxy; Crystal structure: Trigonal; Cleavage: None; Specific gravity: 2.64-2.69; Notable for its aventurescence (shimmer).
- Hardness
- 7 Mohs
- Color
- Forest green to 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 light green; Luster: Vitreous to waxy; Crystal structure: Trigonal; Cleavage: None; Specific gravity: 2.64-2.69; Notable for its aventurescence (shimmer).
Formation & geological history
Formed as a metamorphic rock, specifically a quartzite, where high pressure and temperature cause quartz grains to fuse while incorporating platy minerals like mica or fuchsite that provide the green color.
Uses & applications
Extensively used for ornamental carvings, worry stones, jewelry (cabochons and beads), and as a popular stone for mineral collectors and metaphysical practitioners.
Geological facts
The name 'Aventurine' comes from the Italian 'a ventura,' meaning 'by chance,' originally referring to the accidental discovery of aventurine glass (goldstone) in the 18th century, which looks similar.
Field identification & locations
Identify by its characteristic green color and the presence of small, reflective inclusions that sparkle under light. Commonly found in India, Brazil, Russia, and Austria. Collectors should look for even color and high sparkle.
More like this
Other mineral specimens
Sandstone (with potential mineral staining/concretions)
Arenite (SiO2 based)
sedimentary
Schist
Schist
Metamorphic
Epidote
Epidote | Ca2(Al2,Fe3+)(SiO4)(Si2O7)O(OH)
metamorphic
Gypsum (variety Selenite or Alabaster)
Calcium sulfate dihydrate (CaSO4·2H2O)
Mineral
Nephrite Jade
Nephrite
Mineral/Rock
Granite
Granite (Phaneritic intrusive igneous rock)
igneous