mineral

Aventurine (Green Aventurine)

Quartz variety (SiO2 with fuchsite inclusions)

Hardness: 6.5 to 7 on Mohs scale; Color: Light to medium mint green; Luster: Vitreous to waxy; Cleavage: None (conchoidal fracture); Specific Gravity: ~2.65. Features characteristic aventurescence (glistening effect) caused by tiny mica/fuchsite inclusions.

Hardness: 6
Color: Light to medium mint green
Luster: Vitreous to waxy

Identified July 24, 2026More mineral →

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Physical properties

Formation & geological history

Formed primarily in magmatic or metamorphic environments, particularly within quartz-rich schists and pegmatites where chromium-rich mica (fuchsite) crystallizes together with quartz.

Uses & applications

Widely used for tumbled gemstones, cabochons, carvings, beads, decorative items, and lapidary jewelry. Popular in metaphysical crystal collections as a 'stone of opportunity'.

Geological facts

The name 'Aventurine' comes from the Italian phrase 'a ventura', which means 'by chance', originally referring to aventurine glass discovered accidentally in Venice.

Field identification & locations

Identified by its distinctive light green color, fine grain, polished smooth surface, and subtle shimmery specks under direct light. Major commercial sources include India and Brazil.

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