mineral

Likely milky quartz with iron-stained and darker mineral inclusions

Quartz, SiO₂; exact specimen identification is uncertain from the photograph

AI-generated identification · may be incorrect

White to translucent, vitreous to slightly dull, with irregular fracture and no obvious cleavage; quartz has Mohs hardness 7 and a hexagonal crystal structure. Tan and dark areas may be staining or associated minerals.

Identified October 3, 2026More mineral →

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Physical properties

Formation & geological history

Quartz commonly forms as magma cools or from silica-rich fluids in veins and pegmatites; its age depends on the host deposit and cannot be determined from appearance alone.

Uses & applications

Quartz is used in glass, electronics, and ornamental objects; this rough piece is mainly suitable for collecting or educational display.

Geological facts

Milky quartz looks opaque because microscopic fluid or gas inclusions scatter light. A scratch test and closer inspection of the darker bands could help distinguish associated minerals.

Field identification & locations

Common worldwide, especially in veins and granitic rocks. Look for hardness near 7, lack of cleavage, and a glassy fracture; the photo does not establish a precise locality or identification.