mineral

Likely tumbled quartz or feldspar fragment

Quartz (SiO₂) or feldspar-group silicate

AI-generated identification · may be incorrect

Small cream-yellow, translucent fragment with a dull-to-vitreous luster and irregular angular shape; likely Mohs hardness 6–7. Crystal structure cannot be confirmed from the image, and no diagnostic cleavage is visible.

Identified September 20, 2026More mineral →

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Physical properties

Formation & geological history

Probably a naturally broken mineral grain or a small polished/tumbled fragment derived from igneous or metamorphic rock; geological age is indeterminate. Its warm color may result from iron staining or surface coating.

Uses & applications

Comparable material is used in lapidary work, decorative stone, abrasives, ceramics, and glassmaking; this tiny fragment has negligible commercial value.

Geological facts

Quartz typically lacks cleavage and shows conchoidal fracture, while feldspar commonly shows two cleavage directions. The image alone cannot reliably distinguish these possibilities.

Field identification & locations

Field tests include a streak test, glass-scratch test, hardness comparison, and inspection for cleavage; quartz scratches glass, whereas many feldspars do so less readily. Common sources include granitic and metamorphic terrains worldwide.