Not a diamond (appears to be quartz or a rough mineral aggregate/pebble)
Not a diamond (appears to be quartz or a rough mineral aggregate/pebble) · Rough / Uncut / Irregular nodule
Uncut / Natural rough Cut

Carat
Cannot be determined visually as a gemstone (rough mineral specimen)
Color
N/A (opaque to translucent off-white with iron staining)
Clarity
I3 / Heavily Included (contains numerous mineral inclusions and fractures)
Shape
Rough / Uncut / Irregular nodule
Overall Assessment
The specimen shown in the image is an ordinary rough mineral pebble (likely quartz or quartzite) rather than a rough diamond. It lacks the characteristic crystal habit, adamantine luster, and specific gravity of diamond.
Cut Quality
Uncut / Natural rough
Brilliance
Poor due to lack of faceting and surface opacity
Fire
None
Scintillation
None
Proportions
N/A for rough stones
Symmetry
Natural irregular shape
Polish
Unpolished rough surface
Fluorescence
Unknown without UV testing
Inclusions
Numerous dark mineral specks, internal fractures, and iron oxide staining
Blemishes
Surface pitting, rough texture, and natural weathering marks
Origin
Alluvial or terrestrial rough mineral deposit
Treatment Detection
None (completely natural untreated mineral)
Estimated Value
Nominal / Zero gemstone value (common mineral sample)
Certification Estimate
Not applicable for grading as a gemstone
Investment Potential
None as a gemstone
Similar Diamonds
None (this is not a diamond)
Setting Suggestions
Not suitable for jewelry setting in current state
Care & Maintenance
Standard cleaning with warm soapy water if kept as a mineral specimen
Interesting Facts
Many naturally occurring stones are mistaken for rough diamonds due to surface texture or translucency