Natural rough mineral crystal (likely quartz, glass, or rough gemstone rather than a gem-quality diamond based on the conchoidal fracture patterns and lack of crystal faces)
Natural rough mineral crystal (likely quartz, glass, or rough gemstone rather than a gem-quality diamond based on the conchoidal fracture patterns and lack of crystal faces) · Uncut rough mineral fragment with irregular, conchoidal fracture
Not Applicable (Rough, uncut specimen) Cut

Carat
Difficult to estimate visually without precise dimensions and specific gravity, but appears substantial as a specimen fragment
Color
Colorless / Transparent
Clarity
Included (Contains visible internal fractures, stress lines, and surface irregularities)
Shape
Uncut rough mineral fragment with irregular, conchoidal fracture
Overall Assessment
Based on visual characteristics such as the curved conchoidal fracture lines and lack of standard diamond crystal habit (octahedron), this specimen is highly unlikely to be a diamond and is more consistent with a rough quartz or glass fragment requiring standard gemological testing for positive identification.
Cut Quality
Not Applicable (Rough, uncut specimen)
Brilliance
Low due to lack of faceted geometry and internal fracturing
Fire
Minimal dispersion due to unpolished and fractured state
Scintillation
Poor, lacking standard facet arrangements for light return
Proportions
Non-standard rough fragment proportions
Symmetry
Asymmetrical due to random natural breakage or cleavage
Polish
Unpolished natural or fractured surface
Fluorescence
Unable to determine without UV light testing
Inclusions
Extensive internal stress fractures and conchoidal ripple marks
Blemishes
Chipped edges, rough fractured surfaces, and natural weathering marks
Origin
Natural geological formation, requires laboratory spectroscopy for exact provenance
Treatment Detection
No obvious signs of artificial treatments; appears to be in its raw fractured state
Estimated Value
Nominal mineral specimen value, not valued as a cut gemstone
Certification Estimate
Gemological testing required (GIA or local gem lab) to confirm mineral identity
Investment Potential
Low as an investment; suitable primarily as a mineral specimen study piece
Similar Diamonds
None, as this specimen displays characteristics typical of quartz or slag glass rather than diamond
Setting Suggestions
Not recommended for jewelry setting in current rough and fragile state
Care & Maintenance
Handle with care to prevent further chipping along existing fracture lines; store in a padded mineral container
Interesting Facts
The prominent conchoidal fracture patterns visible on the surface are characteristic of brittle materials like quartz, glass, or certain types of rough stones when broken