Non-Diamond / Quartz Variety
Non-Diamond / Quartz Variety · Rough / Uncut (Natural crystal fragment)
Not applicable (Raw/Rough stone) Cut

Carat
Estimated 5 to 10 carats
Color
Light blue to grayish-blue (Fancy color equivalent)
Clarity
Opaque / Translucent (Below I3 scale)
Shape
Rough / Uncut (Natural crystal fragment)
Overall Assessment
This specimen is not a diamond. It appears to be a common mineral such as Blue Quartz, Dumortierite, or a weathered fragment of glass/slag. It lacks the refractive index, luster, and crystal habit of a diamond.
Cut Quality
Not applicable (Raw/Rough stone)
Brilliance
Very Low (Dull/Matte reflection)
Fire
None
Scintillation
None
Proportions
Irregular / Triangular rough form
Symmetry
Poor / Natural irregularity
Polish
None (Natural matte surface texture)
Fluorescence
None observable
Inclusions
Heavy internal fracturing, crystal masses, and cloudiness
Blemishes
Rough surface pitting and natural fracture planes
Origin
Likely sedimentary or metamorphic rock origin (e.g., Brazil or Madagascar)
Treatment Detection
None detected; appears to be a natural raw mineral
Estimated Value
$1 - $5 (Decorative stone value)
Certification Estimate
Not eligible for diamond certification; could be identified by GIA as Blue Quartz or Kyanite
Investment Potential
None
Similar Diamonds
Rough industrial diamonds (Bort), though this specimen lacks adamantine luster
Setting Suggestions
Wire-wrapped pendant or kept as a specimen stone
Care & Maintenance
Avoid harsh impacts; clean with soapy water and a soft brush
Interesting Facts
The stone exhibits a sugary texture common in quartzite or common opal rather than the octahedral structure of a diamond