Rough Crystal (likely Quartz or Glass based on fracture patterns)
Rough Crystal (likely Quartz or Glass based on fracture patterns) · Rough/Uncut
N/A (Uncut) Cut
Carat
15-25 carats (estimated by finger scale)
Color
Colorless (D-F range appearance)
Clarity
Included (I1-I2 equivalent)
Shape
Rough/Uncut
Overall Assessment
The specimen resembles a rough colorless crystal, most likely quartz or glass based on the fracture style, showing significant internal flaws.
Cut Quality
N/A (Uncut)
Brilliance
Low (due to rough surface and lack of facets)
Fire
Low to None (undispersed in rough state)
Scintillation
Minimal light play due to surface texture
Proportions
Irregular crystalline form
Symmetry
N/A (Rough state)
Polish
N/A (Natural/Fractured surface)
Fluorescence
Indeterminable from image
Inclusions
Large internal feathers, internal fractures, and dark mineral spots
Blemishes
Conchoidal fractures and step-like surface growth features
Origin
Indeterminable (Geologic specimen)
Treatment Detection
None visible; appears to be raw geologic material
Estimated Value
$50 - $400 (Specimen value depending on confirmation of material)
Certification Estimate
GIA (Rough Diamond Report if diamond) or GIA Gemstone ID
Investment Potential
Low (primarily a collector's specimen)
Similar Diamonds
Rough Herkimer Diamonds or uncut industrial diamonds
Setting Suggestions
Wire wrap or custom specimen claw setting for organic jewelry
Care & Maintenance
Avoid ultrasonic cleaners due to prominent internal fractures
Interesting Facts
The conchoidal (shell-like) fractures are more typical of silica-based minerals like quartz than diamond octahedral cleavage