
mineral
Green Aventurine
Quartz (Silicon Dioxide with Fuchsite inclusions - SiO2 + K(Al,Cr)2(AlSi3O10)(OH)2)
Hardness: 7 on Mohs scale. Color: Pale green to sea green with a shimmering effect (aventurescence). Luster: Vitreous to waxy. Crystal Structure: Trigonal/Hexagonal. Cleavage: None (conchoidal fracture). Specific Gravity: 2.64-2.69.
- Hardness
- 7 on Mohs scale
- 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 on Mohs scale. Color: Pale green to sea green with a shimmering effect (aventurescence). Luster: Vitreous to waxy. Crystal Structure: Trigonal/Hexagonal. Cleavage: None (conchoidal fracture). Specific Gravity: 2.64-2.69.
Formation & geological history
Formed primarily in regional metamorphic environments where quartz-rich sediments undergo heat and pressure alongside chromium-bearing minerals, precipitating fine flakes of green fuchsite mica within the quartz matrix.
Uses & applications
Widely used in gemstone jewelry, ornamental carvings, lapidary arts, and popular among crystal collectors for metaphysical practices as a stone of prosperity.
Geological facts
The name 'Aventurine' comes from the Italian 'a ventura', meaning 'by chance', referring to the accidental discovery of aventurine glass (goldstone) in the 18th century, which resembled the natural mineral.
Field identification & locations
Identified by its pale green color, quartz hardness (scratches glass), and fine metallic glint when held under light. Commonly mined in India, Brazil, Russia, and South Africa.
More like this
Other mineral specimens
Sandstone (with potential mineral staining/concretions)
Arenite (SiO2 based)
sedimentary
Limonite / Goethite (Iron Ore Mineral nodule)
FeO(OH)·nH2O / FeO(OH)
mineral
Schist
Schist
Metamorphic
Septarian Pebble
Septarian nodule / Concretion
sedimentary
Potassium Feldspar (Orthoclase)
Orthoclase (KAlSi3O8)
mineral
Sandstone with Mineral Veining or Crust
Sedimentary Sandstone (mostly SiO2 with Fe2O3 tinting)
sedimentary