This image does not display a rock, mineral, or geological specimen. It shows a human hand wearing a ring.

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Physical properties

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This image does not contain a geological specimen to identify.

Not a rock, mineral, or geological specimen

Gold (Elemental Metal)

Gold (Au)

Multi-stone gemstone ring

Likely faceted blue topaz or synthetic blue stone with clear stones, possibly cubic zirconia or diamond; metal setting appears silver-colored alloy

Note: No specimen visible

Weathered concrete or cementitious slab (not natural rock)

Artificial calcium-silicate cement composite; likely Portland cement concrete

Unidentified gray stone/concrete-like fragment

Indeterminate; likely a fine-grained carbonate or cementitious geological fragment