mineral

Likely polished dark stone (identity uncertain)

Undetermined; possibly polished basalt, chert, or another dark silicate rock

AI-generated identification · may be incorrect

The image shows a smooth, rounded, opaque dark gray-brown object with a subdued luster, but it is heavily blurred and provides no reliable evidence of crystals, cleavage, hardness, or density. A scale reference and clearer lighting are needed for identification.

Identified August 17, 2026More mineral →

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Physical properties

Formation & geological history

If basalt, it formed as an extrusive igneous rock from cooling lava; if chert, it formed as microcrystalline quartz in sedimentary settings. The specimen appears human-shaped or polished, so its surface does not reveal its original geology.

Uses & applications

Small polished stones may be used as worry stones, ornaments, or craft materials; value is generally low unless the material proves to be a gemstone or unusual mineral.

Geological facts

Color alone cannot distinguish basalt, chert, obsidian, hematite, or dyed glass. The apparent rounded form may also be a manufactured object, though it is treated as geological here per the instruction.

Field identification & locations

Test whether it scratches glass (hardness above about 5.5), whether a steel knife scratches it, and whether it attracts a magnet; inspect a fresh edge with a focused photograph. The Ethiopian region near 9°N, 37.8°E can contain volcanic and sedimentary rocks, so basalt or chert are plausible regional alternatives.