mineral

Likely tumbled brown mineral fragment

Indeterminate; possibly iron-stained quartz, jasper, or carnelian

AI-generated identification · may be incorrect

Small opaque-to-translucent brown chip with a dull to slightly vitreous luster and irregular rounded shape. If quartz-rich, hardness is about 7 Mohs; cleavage is absent and specific gravity is approximately 2.6.

Identified August 27, 2026More mineral →

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Physical properties

Formation & geological history

Could form as silica deposited in cavities or sediment and later colored by iron oxides; exact age and origin cannot be determined from the photograph.

Uses & applications

Quartz varieties are used as ornamental stones, beads, cabochons, and occasionally industrial silica; this tiny fragment has negligible practical value.

Geological facts

The warm brown color commonly results from hematite or limonite inclusions rather than the primary mineral itself.

Field identification & locations

A hardness test, streak test, translucency check, and close examination of texture are needed: quartz will not scratch with a steel knife and leaves a white streak, while jasper is typically fully opaque. Common sources include weathered silica-rich rocks worldwide.