Non-diamond (Rock/Fossil)

Non-diamond (Rock/Fossil) · Irregular/Rough

Uncut/Natural state Cut

Non-diamond (Rock/Fossil) - Irregular/Rough

Carat

Estimated at 10-15 carats equivalent based on size relative to carpet fibers

Color

Opaque Gray/Black

Clarity

Opaque (N/A)

Shape

Irregular/Rough

Overall Assessment

This is not a diamond or a gemstone. It is a biological or geological artifact, likely a fossilized shell or a weathered sedimentary rock, identified by its opaque texture and ridged surface.

Cut Quality

Uncut/Natural state

Brilliance

None

Fire

None

Scintillation

None

Proportions

N/A

Symmetry

Poor/Natural

Polish

None (Rough surface)

Fluorescence

None

Inclusions

N/A (Opaque material)

Blemishes

Significant surface weathering and sedimentary texture

Origin

Terrestrial sedimentary source; possibly a fossilized brachiopod or bivalve segment

Treatment Detection

None detected; appears to be a natural mineral/fossil specimen

Estimated Value

Nominal/Decorative (under $10)

Certification Estimate

Not eligible for diamond certification; suggest geological or paleontological inspection

Investment Potential

Low as a gemstone; potentially interesting for a fossil collector if verified

Similar Diamonds

None; this is a mineral specimen or fossil, not a gemstone

Setting Suggestions

Not suitable for traditional diamond jewelry settings; possibly a wire wrap for specimen display

Care & Maintenance

Keep dry and handle gently to avoid crumbling or erosion of the sedimentary surface

Interesting Facts

The object displays radial ribbing characteristic of prehistoric marine brachiopods from the Paleozoic or Mesozoic eras

Identified on 7/3/2026