Non-diamond (Likely Glass or Quartz)
Non-diamond (Likely Glass or Quartz) · Rough / Uncut (Shard-like)
Not Applicable (Uncut) Cut

Carat
Estimated 10.00 - 20.00 carats (based on hand size)
Color
Near-colorless with yellowish/brownish tint
Clarity
I3 (Included 3) / Industrial Grade
Shape
Rough / Uncut (Shard-like)
Overall Assessment
This material is not a diamond. The conchoidal (shell-like) fracture patterns and the presence of internal gas bubbles are diagnostic of glass or a silica-based mineral. It lacks the adamantine luster and crystal structure characteristic of raw diamond.
Cut Quality
Not Applicable (Uncut)
Brilliance
Low (vitreous luster)
Fire
None observable
Scintillation
Low to None
Proportions
Asymmetric elongated fragment
Symmetry
None
Polish
None (Naturally or fracture-worn surfaces)
Fluorescence
Not observable without UV light
Inclusions
Visible gas bubbles, internal fractures, and heavy veining
Blemishes
Surface impact marks, conchoidal fractures, and heavy scratching
Origin
Likely synthetic glass cullet or common river quartz crystal
Treatment Detection
Natural weathering or industrial waste
Estimated Value
$1 - $10 (Material/Curiosity value)
Certification Estimate
Not certifiable as a gemstone by GIA/IGI
Investment Potential
Zero
Similar Diamonds
None; characteristics align with non-diamond silica
Setting Suggestions
Not suitable for traditional jewelry setting
Care & Maintenance
Avoid high heat as glass/quartz can shatter easily; prone to scratching
Interesting Facts
The presence of spherical bubbles strongly suggests glass rather than a natural crystalline growth like diamond.