Natural rough crystal matrix (likely quartz or host rock containing micro-diamonds or reflective crystal inclusions)
Natural rough crystal matrix (likely quartz or host rock containing micro-diamonds or reflective crystal inclusions) · Rough crystal / Irregular aggregate formation with natural faces
Not applicable (Raw, uncut mineral specimen) Cut
Carat
Estimated total matrix weight exceeds standard faceted stone size, roughly 5-10 carats gross specimen weight
Color
Near colorless to faint yellow/brown in the rough state
Clarity
Included / Industrial to specimen grade with heavy internal fracturing and matrix inclusions
Shape
Rough crystal / Irregular aggregate formation with natural faces
Overall Assessment
An interesting natural mineral specimen showing localized optical dispersion, best appreciated as a raw geological sample rather than a polished gemstone
Cut Quality
Not applicable (Raw, uncut mineral specimen)
Brilliance
Low to moderate, localized spectral reflections on specific cleavage/fracture faces
Fire
Strong localized dispersion (rainbow refraction) visible in specific fracture planes
Scintillation
Limited flash effect due to uneven natural facets and raw matrix structure
Proportions
Not applicable to raw mineral specimens
Symmetry
Asymmetrical raw crystal formation
Polish
Unpolished natural crystal surfaces and fracture planes
Fluorescence
Cannot be determined without UV testing
Inclusions
Heavy internal fracturing, crystal inclusions, and dark mineral spots
Blemishes
Natural surface roughness, pits, and growth hillocks
Origin
Natural geological formation from a primary pegmatite or alluvial deposit
Treatment Detection
No visible signs of artificial treatments; completely natural state
Estimated Value
Nominal specimen value depending on mineral composition and rarity
Certification Estimate
Gemological Institute of America (GIA) or local mineralogical institute for specimen authentication
Investment Potential
Value lies primarily in mineral specimen collecting rather than gemstone investment
Similar Diamonds
Other unpolished rough diamond crystals in kimberlite or quartz matrix
Setting Suggestions
Wire-wrapped or custom bezel setting suited for raw mineral specimens
Care & Maintenance
Handle with care to prevent matrix crumbling; clean gently with warm soapy water and a soft brush
Interesting Facts
Raw crystals often display natural optical phenomena like rainbow iridescence along internal stress fractures