mineral

Green Aventurine

Quartz (Silicon Dioxide, SiO2) with fuchsite inclusions

AI-generated identification · may be incorrect

Hardness of 7 on the Mohs scale, translucent to opaque green color with a shimmering or glittering effect known as aventurescence, vitreous to greasy luster, trigonal crystal system, conchoidal fracture with no true cleavage, specific gravity of 2.65.

Identified August 3, 2026More mineral →

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Physical properties

Formation & geological history

Formed through the hydrothermal process in metamorphic and igneous environments, primarily as a quartzite or within pegmatites where silica-rich solutions precipitate quartz alongside tiny plate-like mineral inclusions like fuchsite.

Uses & applications

Widely used in ornamental carvings, polished spheres, tumbled stones, jewelry, and beadwork. It is also popular in metaphysical practices and crystal collecting.

Geological facts

The shimmering metallic appearance of aventurine is called aventurescence, which is caused by tiny reflective platelets of fuchsite (a chromium-rich variety of muscovite mica) trapped inside the quartz matrix during formation.

Field identification & locations

Can be identified by its characteristic green color combined with the distinctive metallic sparkle (aventurescence) under direct light. It is commonly sourced from India, Brazil, Russia, and the United States.