Rock Identifier
Small gray mineral fragment (likely quartz or quartz-rich rock) (Unidentified; quartz is SiO₂) — mineral
mineral

Small gray mineral fragment (likely quartz or quartz-rich rock)

Unidentified; quartz is SiO₂

AI-generated identification · may be incorrect

The specimen appears gray-white, opaque, and irregular, but the photo is too soft-focused for reliable identification. If quartz, hardness is 7 Mohs, luster vitreous to dull, and crystal structure trigonal; cleavage is absent.

Identified More mineral →
Explore Small gray mineral fragment (likely quartz or quartz-rich rock) in the encyclopedia →

Identify your own rocks.

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

Physical properties

The specimen appears gray-white, opaque, and irregular, but the photo is too soft-focused for reliable identification. If quartz, hardness is 7 Mohs, luster vitreous to dull, and crystal structure trigonal; cleavage is absent.

Formation & geological history

If quartz, it formed from silica-rich fluids or crystallized in igneous and metamorphic rocks; its age cannot be determined from the image.

Uses & applications

Quartz is used in glass, electronics, abrasives, and decorative objects; this tiny fragment has no clear commercial use.

Geological facts

A scratch test and examination of fracture or cleavage would help distinguish quartz from softer minerals such as calcite or feldspar.

Field identification & locations

The specimen is too small and blurred for field identification; a sharper image beside a scale, plus hardness and streak tests, would be useful. Quartz is common worldwide.