mineral

Green Aventurine

Aventurine Quartz (SiO2 with Fuchsite inclusions)

Hardness: 7 on Mohs scale; Color: Green (from Fuchsite); Luster: Vitreous to waxy; Crystal Structure: Trigonal (hexagonal); Cleavage: None; Specific Gravity: 2.64-2.69; Notable feature: Aventurescence (shimmering effect).

Hardness: 7 on Mohs scale
Color: Green (from Fuchsite)
Luster: Vitreous to waxy

Identified March 25, 2026More mineral →

Identify your own rocks.

Get a report just like this from any photo, free.

App Store Google Play

Physical properties

Formation & geological history

Formed in metamorphic environments (primarily quartzites) and certain magmatic-hydrothermal deposits where fuchsitic mica is present during crystallization. Geological age varies by deposit, ranging from Proterozoic to more recent epochs.

Uses & applications

Used extensively for lapidary work, cabochons, jewelry, decorative carvings, aquarium gravel, and as a popular stone for collectors and metaphysical practitioners.

Geological facts

The name 'Aventurine' comes from the Italian word 'a ventura', meaning 'by chance', which originally referred to the 18th-century accidental discovery of aventurine glass (goldstone) before the natural mineral was named.

Field identification & locations

Identify by its characteristic green 'shimmer' caused by tiny platy mineral inclusions. Commonly found in India, Brazil, Russia, and Tanzania. Collectors should look for uniform color and strong 'aventurescence' as indicators of higher quality.

Other mineral specimens

See all

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