Rock Identifier
Green Aventurine (Quartz (Silicon Dioxide, $SiO_2$)) — mineral
mineral

Green Aventurine

Quartz (Silicon Dioxide, $SiO_2$)

AI-generated identification · may be incorrect

Mohs hardness of 7, vitreous to greasy luster, translucent to opaque green color with characteristic silvery-green shimmering inclusions called aventurescence.

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Physical properties

Mohs hardness of 7, vitreous to greasy luster, translucent to opaque green color with characteristic silvery-green shimmering inclusions called aventurescence.

Formation & geological history

Formed through the hydrothermal precipitation of quartz in metamorphic environments or igneous pegmatites.

Uses & applications

Widely used for ornamental carvings, polished beads for jewelry, and lapidary art.

Geological facts

The shimmering effect is caused by tiny reflective flakes of fuchsite mica trapped within the quartz matrix during crystallization.

Field identification & locations

Identified by its quartz hardness and distinct speckled green metallic sparkle under direct light; sourced globally including India, Brazil, and Russia.