
mineral
Green Aventurine
Aventurine Quartz (SiO2 with Fuchsite inclusions)
Hardness: 6.5-7 on Mohs scale. Color: Pale to dark green. Luster: Vitreous to waxy. Crystal Structure: Trigonal. Cleavage: None (conchoidal fracture). Specific Gravity: 2.64-2.69. Characterized by 'aventurescence' (metallic glisten).
- Hardness
- 6
- Color
- Pale to dark green
- Luster
- Vitreous to waxy
Identified More mineral →
Identify your own rocks.
Get a report just like this from any photo, free.
Physical properties
Hardness: 6.5-7 on Mohs scale. Color: Pale to dark green. Luster: Vitreous to waxy. Crystal Structure: Trigonal. Cleavage: None (conchoidal fracture). Specific Gravity: 2.64-2.69. Characterized by 'aventurescence' (metallic glisten).
Formation & geological history
Formed in magmatic and metamorphic environments where silica-rich fluids stabilize. Its green color and shimmer are caused by platy inclusions of Fuchsite (chromium-rich mica) trapped within the quartz during formation.
Uses & applications
Commonly used in the jewelry industry for beads, cabochons, and figurines. Also used for ornamental carvings, aquarium decor, and widely collected as a metaphysical healing stone.
Geological facts
The name 'Aventurine' comes from the Italian 'a ventura,' meaning 'by chance,' referencing the accidental discovery of aventurine glass (goldstone) in the 18th century, which this natural mineral resembles.
Field identification & locations
Identify in the field by its green color combined with a signature internal crystalline shimmer. Common locations include India (the primary producer), Brazil, Russia, and Tanzania. Collectors should look for even distribution of mica flakes.
More like this
Other mineral specimens
Sandstone (with potential mineral staining/concretions)
Arenite (SiO2 based)
sedimentary
Epidote
Epidote | Ca2(Al2,Fe3+)(SiO4)(Si2O7)O(OH)
metamorphic
Nephrite Jade
Nephrite
Mineral/Rock
Banded Gneiss (River Rock/Pebble)
Gneiss (specifically a banded variety often found as a river rock)
Metamorphic Rock
Green Apatite on Albite
Fluorapatite [Ca5(PO4)3F] on Albite [Na(AlSi3O8)]
mineral
Epidote
Epidote - Ca2(Al2,Fe3+)3(SiO4)3(OH)
mineral