mineral

Likely garnet crystal fragment

Garnet-group mineral, possibly almandine (Fe₃Al₂(SiO₄)₃)

AI-generated identification · may be incorrect

Small, opaque dark reddish-purple fragment with a dull to vitreous surface; garnets have Mohs hardness 6.5–7.5 and cubic crystal structure, typically without cleavage. The image does not show enough detail to confirm its identity or composition.

Identified October 4, 2026More mineral →

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Physical properties

Formation & geological history

Garnets commonly form during metamorphism of aluminum-rich rocks, though some occur in igneous rocks and sediments. Their ages vary widely with the host rock.

Uses & applications

Garnet is used as an abrasive and, when transparent and attractive, as a gemstone; this fragment appears suitable mainly for a modest specimen collection.

Geological facts

Garnet is a mineral group, not a single mineral, and its members occur in many colors; red varieties are especially familiar.

Field identification & locations

A garnet is often recognized by its red color, glassy luster, high hardness, and characteristic crystal form, but this worn fragment needs testing or closer examination. Garnets occur worldwide, including in metamorphic terrains; avoid identifying it conclusively from color alone.