mineral

Greenish quartz-bearing rock, possibly serpentine or aventurine

Tentatively quartz (SiO₂) with green inclusions; exact identification requires testing

AI-generated identification · may be incorrect

Mohs hardness likely 6–7 if quartz-rich; pale green-gray, irregular fracture, vitreous to dull/waxy luster, and no obvious cleavage. The surface appears rough and possibly weathered or polished unevenly.

Identified September 2, 2026More mineral →

Explore Greenish quartz-bearing rock, possibly serpentine or aventurine in the encyclopedia →

Identify your own rocks.

Get a report just like this from any photo, free.

App Store Google Play

Physical properties

Formation & geological history

Likely formed through hydrothermal alteration or metamorphism, depending on whether the green material is chlorite, fuchsite, or serpentine; age cannot be determined from the image.

Uses & applications

Small specimens may be collected or used as lapidary material; quartz-rich material can be polished for decorative objects, while serpentine may be used ornamentally.

Geological facts

The image alone cannot reliably distinguish aventurine quartz, green quartz, nephrite, or serpentine. A hardness, streak, translucency, and specific-gravity test would greatly improve identification.

Field identification & locations

Common possibilities occur in hydrothermal veins and metamorphic rocks worldwide, including Brazil, India, China, Russia, and the United States. Test whether it scratches glass (quartz), leaves a white streak, and shows fibrous or waxy texture (serpentine).