metamorphic

Quartz-rich rock, possibly vein quartz in host rock

Quartz (SiO₂), with unidentified host-rock minerals

AI-generated identification · may be incorrect

The image is too close and blurry for a firm identification. Visible areas appear pale, glassy to dull, and irregularly fractured; quartz has Mohs hardness 7, a trigonal crystal structure, and no cleavage.

Identified October 14, 2026More metamorphic →

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Physical properties

Formation & geological history

If this is quartz in a rock, it may have formed when silica-rich fluids filled fractures and crystallized. The image does not reveal the host rock or its age.

Uses & applications

Quartz is used in glass, electronics, and construction; attractive specimens may be collected or used decoratively.

Geological facts

Quartz is one of Earth’s most abundant minerals and commonly forms veins cutting through other rocks.

Field identification & locations

Look for hardness sufficient to scratch glass and lack of cleavage, but the image alone cannot distinguish quartz from several other pale minerals or wet rock surfaces. Vein quartz occurs worldwide.