mineral

Likely quartz-rich stone, possibly milky quartz or chalcedony

Quartz (SiO₂), possibly microcrystalline chalcedony

AI-generated identification · may be incorrect

Pale gray-beige, translucent to opaque, with vitreous to waxy luster and irregular fracture; quartz hardness is Mohs 7, with no cleavage and specific gravity about 2.65. The image is not detailed enough to confirm crystal structure or mineral identity.

Identified August 24, 2026More mineral →

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Physical properties

Formation & geological history

Quartz forms in igneous, hydrothermal, and sedimentary environments; chalcedony commonly fills cavities and fractures. Individual pieces could range from ancient crystalline material to relatively young vein or alluvial fragments.

Uses & applications

Common quartz is used in glass, ceramics, abrasives, electronics, and construction aggregate; attractive pieces may be tumbled or used as inexpensive lapidary material.

Geological facts

The rounded shapes suggest naturally weathered or tumbled fragments rather than intact crystals. Surface reflections and the blue background may distort their true color.

Field identification & locations

Look for glass-like luster, hardness sufficient to scratch ordinary glass, and absence of cleavage; acid will not fizz. Common sources include quartz veins, gravel deposits, and geodes worldwide.