Not a diamond; non-gemstone rock / pebble
Not a diamond; non-gemstone rock / pebble · Rough / irregular sub-round
N/A (Uncut/Natural tumble) Cut
Carat
N/A (approx. 5-10 grams)
Color
Opaque tan, brown, and reddish-pink streaks
Clarity
Opaque (No transparency)
Shape
Rough / irregular sub-round
Overall Assessment
The object is a common terrestrial rock or pebble, not a gemstone. It lacks the crystalline structure, refractive index, and hardness associated with diamonds.
Cut Quality
N/A (Uncut/Natural tumble)
Brilliance
None (Absorbs light)
Fire
None
Scintillation
None
Proportions
N/A
Symmetry
N/A
Polish
Matte / Natural smooth finish
Fluorescence
Unknown
Inclusions
Large internal mineral structures and banding visible on surface
Blemishes
Weathering and surface abrasions consistent with river or landscape stone
Origin
Terrestrial geological outcrop / sedimentary or metamorphic rock
Treatment Detection
None visible
Estimated Value
Minimal (Specimen/Curiosity value only)
Certification Estimate
Not eligible for diamond certification labs (GIA/IGI)
Investment Potential
Zero
Similar Diamonds
None (Material is not diamond)
Setting Suggestions
Wire wrapping or decorative collection bowl
Care & Maintenance
Basic cleaning with soap and water; avoid contact with acids
Interesting Facts
The specimen shows interesting radial or banded mineral patterns suggesting a possible fossilized coral fragment or banded jasper.