mineral

Green Aventurine

Quartz (SiO2) with fuchsite inclusions

AI-generated identification · may be incorrect

Hardness of 7 on the Mohs scale. Color is light to dark green, often with a shimmering or glittering effect known as aventurescence caused by platy mineral inclusions (such as fuchsite). Luster is vitreous to greasy. Crystal system is trigonal.

Identified July 31, 2026More mineral →

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Physical properties

Formation & geological history

Forms in metamorphic environments, specifically in quartz veins and pegmatites where silica-rich hydrothermal solutions interact with chromium-rich mica minerals (like fuchsite) over millions of years.

Uses & applications

Widely used in the creation of tumbled stones, decorative carvings, beads, jewelry, and in metaphysical and crystal healing practices.

Geological facts

The name aventurine derives from the Italian 'avventura', meaning 'by chance', referring to the accidental discovery of Italian glassmakers creating a similar glittering glass in the 18th century.

Field identification & locations

Easily identified by its characteristic green color combined with a subtle metallic glitter or sparkle under light (aventurescence). Found globally, with significant deposits in India, Brazil, Russia, and the United States.