Not a diamond; this specimen appears to be raw tourmaline or green glass/slag with striations.
Not a diamond; this specimen appears to be raw tourmaline or green glass/slag with striations. · Raw crystal rough / Columnar crystal habit
Uncut / Rough Specimen Cut

Carat
N/A (Visual estimation not applicable for rough non-diamond minerals)
Color
Deep Green with iridescent rainbow play of color
Clarity
Included / Opaque to Translucent
Shape
Raw crystal rough / Columnar crystal habit
Overall Assessment
This item is conclusively not a diamond. It is a raw green mineral crystal or slag displaying characteristic vertical striations and natural surface imperfections.
Cut Quality
Uncut / Rough Specimen
Brilliance
Low due to lack of standard gemstone facets
Fire
Limited dispersion visible primarily as thin-film interference or localized rainbow refraction
Scintillation
Minimal, non-faceted raw surface
Proportions
Elongated columnar crystal
Symmetry
Natural crystal symmetry showing striations along the prism face
Polish
Raw, unpolished surface
Fluorescence
Unknown without UV testing
Inclusions
Heavy internal fracturing and natural mineral inclusions
Blemishes
Surface rough patches, matrix remnants, and natural striations
Origin
Natural pegmatite or manufactured glass slag
Treatment Detection
No obvious enhancements; appears to be in its natural rough state or raw industrial material
Estimated Value
Minimal commercial value as a decorative mineral specimen
Certification Estimate
Gemological testing laboratory (e.g., GIA, Gubelin) for species identification rather than diamond grading
Investment Potential
None; ornamental or mineral specimen collection only
Similar Diamonds
None (this is not a diamond)
Setting Suggestions
Wire-wrapped raw crystal pendant or organic bezel setting
Care & Maintenance
Avoid harsh chemicals and ultrasonic cleaners due to fractures and inclusions
Interesting Facts
The distinct parallel lines visible on the right side are crystal growth striations, common in minerals like tourmaline