mineral

Polished green aventurine point

Quartz (SiO₂), green variety colored mainly by fuchsite inclusions

AI-generated identification · may be incorrect

Typically Mohs 6.5–7; translucent to opaque green with a vitreous luster and a granular, trigonal quartz structure. The pictured piece is polished and shaped, so natural cleavage is not visible.

Identified September 24, 2026More mineral →

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Physical properties

Typically Mohs 6.5–7; translucent to opaque green with a vitreous luster and a granular, trigonal quartz structure. The pictured piece is polished and shaped, so natural cleavage is not visible.

Formation & geological history

Quartz formed from silica-rich fluids or in veins, with green mica inclusions producing the color; its geological age depends on the deposit. Common sources include India, Brazil, and Russia.

Uses & applications

Used for carvings, beads, ornamental objects, and inexpensive jewelry; polished points are popular collectibles.

Geological facts

Aventurine is a variety of quartz; its characteristic sparkle, called aventurescence, comes from reflective mineral inclusions and may be subtle or absent.

Field identification & locations

Look for a green body color and, in some specimens, tiny reflective flecks; hardness and quartz-like appearance help distinguish it from softer green stones. This image is consistent with polished aventurine, but visual identification is not definitive.