mineral

Tiny rounded brown mineral grain

Indeterminate; possibly iron oxide, garnet, or a weathered sulfide grain

AI-generated identification · may be incorrect

Approximately 2–4 mm, brown, rounded, and dull to subtly translucent with no visible crystal faces or cleavage. Hardness, streak, and specific gravity cannot be determined from the image.

Identified August 30, 2026More mineral →

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Physical properties

Approximately 2–4 mm, brown, rounded, and dull to subtly translucent with no visible crystal faces or cleavage. Hardness, streak, and specific gravity cannot be determined from the image.

Formation & geological history

Likely a naturally weathered mineral grain derived from igneous or metamorphic rock; its geological age and exact formation process cannot be established visually.

Uses & applications

Too small for practical industrial or jewelry use; mainly of casual collecting or educational interest.

Geological facts

Color and shape alone are insufficient for reliable identification, especially at this scale and under flash photography.

Field identification & locations

Test hardness against glass, observe streak on unglazed porcelain, inspect with magnification, and check magnetism; a gemological or mineralogical test may be required. Common possibilities include garnet, limonite/goethite, or a small iron-rich pebble.