Not a diamond; appears to be raw carbonado or dark industrial mineral aggregate / carbonaceous rock
Not a diamond; appears to be raw carbonado or dark industrial mineral aggregate / carbonaceous rock · Uncut / Raw rough matrix
Uncut raw specimen Cut
Carat
Undetermined due to heavy matrix attachment
Color
Black / Opaque
Clarity
Included / Opaque industrial grade
Shape
Uncut / Raw rough matrix
Overall Assessment
This specimen is a raw, dark carbonaceous or industrial mineral aggregate rather than a traditional gem-quality faceted diamond.
Cut Quality
Uncut raw specimen
Brilliance
Low to none due to opacity and rough texture
Fire
Absent
Scintillation
Absent
Proportions
Irregular rough block configuration
Symmetry
Asymmetrical rough form
Polish
Unpolished natural matrix surface
Fluorescence
None observed
Inclusions
Heavy internal mineral and carbon inclusions
Blemishes
Natural surface pitting, fractures, and irregularities
Origin
Natural alluvial or primary kimberlite matrix association
Treatment Detection
No treatments detected
Estimated Value
Nominal mineral specimen value
Certification Estimate
N/A for standard gemological grading; industrial mineral testing required
Investment Potential
Low investment value, valued primarily as a mineral specimen
Similar Diamonds
Carbonado industrial diamond rough
Setting Suggestions
Wire-wrapped or custom bezel setting for raw mineral display
Care & Maintenance
Standard mineral care; avoid harsh chemicals and ultrasonic cleaners
Interesting Facts
Carbonado, or black diamond, is found primarily in Brazil and the Central African Republic and is theorized to have extraterrestrial origins.