Not a diamond; appears to be industrial slag or a rough mineral ore matrix
Not a diamond; appears to be industrial slag or a rough mineral ore matrix · Rough / Uncut / Irregular mass
Not applicable Cut
Carat
Not applicable
Color
Dark gray to black metallic luster
Clarity
Opaque / Heavily included with matrix material
Shape
Rough / Uncut / Irregular mass
Overall Assessment
This specimen is definitively not a diamond. Gemological inspection reveals a rough, opaque industrial material, likely slag or metallic ore, lacking the optical and physical properties of diamond.
Cut Quality
Not applicable
Brilliance
Low to none, metallic sheen only
Fire
None
Scintillation
None
Proportions
Not applicable
Symmetry
Not applicable
Polish
Rough unpolished surface texture
Fluorescence
Not applicable
Inclusions
Abundant metallic grains, micro-cavities, and slag inclusions
Blemishes
Rough surface pitting, fracture marks, and oxidation
Origin
Terrestrial industrial byproduct or mineral aggregate
Treatment Detection
None applied
Estimated Value
Minimal scrap or mineral specimen value
Certification Estimate
Not certifiable by standard gemological laboratories (GIA, IGI)
Investment Potential
None as a gemstone
Similar Diamonds
None
Setting Suggestions
Not suitable for jewelry setting
Care & Maintenance
Store in a dry place to prevent surface oxidation
Interesting Facts
Often mistaken for rough industrial diamonds or carbonado by untrained observers due to its dark, pitted exterior