Natural Rough Mineral (Non-Diamond)
Natural Rough Mineral (Non-Diamond) · Rough / Uncut
None (Rough) Cut
Carat
Estimated 3-5 carats
Color
Opaque Indigo / Deep Blue
Clarity
Opaque (Non-gem quality)
Shape
Rough / Uncut
Overall Assessment
The object is a natural blue mineral specimen, likely Sodalite or Dumortierite. It does not possess the crystal structure, luster, or refractive properties of any diamond type (natural or lab-grown).
Cut Quality
None (Rough)
Brilliance
Low (Matte surface)
Fire
None
Scintillation
None
Proportions
N/A
Symmetry
N/A
Polish
N/A
Fluorescence
Cannot be determined from image
Inclusions
Extensive internal fracturing and white mineral veining
Blemishes
Rough, uneven surface texture typical of raw mineral
Origin
Likely Brazil, Namibia, or Canada
Treatment Detection
None apparent; looks natural
Estimated Value
$5 - $15 (Collector/Specimen value)
Certification Estimate
Not eligible for diamond grading; identification as Sodalite or Dumortierite likely
Investment Potential
Very Low; common mineral specimen
Similar Diamonds
Lapis Lazuli (non-diamond), Sodalite, Rough Sapphire
Setting Suggestions
Wire wrapping or inclusion in a mineral collection
Care & Maintenance
Avoid harsh chemicals and physical impact; keep as a specimen
Interesting Facts
This specimen appears to be Sodalite or a similar blue mineral rather than a diamond, identified by its non-adamantine luster and characteristic white calcite streaks.