mineral

Unidentified gray metallic object

Not determinable from the image; likely a metal screw or manufactured fastener rather than geological material

AI-generated identification · may be incorrect

Appears cylindrical, dark gray, and strongly reflective with regular helical threads; these uniform threads indicate manufactured metal, not natural crystal structure, cleavage, or mineral texture.

Identified August 21, 2026More mineral →

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Physical properties

Appears cylindrical, dark gray, and strongly reflective with regular helical threads; these uniform threads indicate manufactured metal, not natural crystal structure, cleavage, or mineral texture.

Formation & geological history

Likely industrially formed steel or another alloy by machining or rolling; it has no geological formation age or natural occurrence.

Uses & applications

Used as a fastener in construction or machinery; not typically used as a mineral, gemstone, or geological specimen.

Geological facts

The image shows a screw-like threaded object held between fingers, with no visible rock or mineral characteristics.

Field identification & locations

Field identification: regular threads, uniform dimensions, metallic sheen, and apparent tooling confirm a human-made object. A composition test or magnet test could help identify the alloy, but it is not a geological specimen.