Not a diamond (appears to be green glass slag or fractured bottle glass)
Not a diamond (appears to be green glass slag or fractured bottle glass) · Irregular raw fragment / unstructured shard
Not applicable (uncut, raw/broken glass shard) Cut
Carat
Not applicable (glass material, weight would be evaluated in grams)
Color
Vivid green
Clarity
Included with internal bubbles / impurities common in glass
Shape
Irregular raw fragment / unstructured shard
Overall Assessment
The object shown in the image is not a diamond or a precious gemstone. Based on the conchoidal fracture patterns, bubble inclusions, and deep green coloration, it is definitively a piece of broken green glass or industrial slag.
Cut Quality
Not applicable (uncut, raw/broken glass shard)
Brilliance
Low to moderate vitreous luster
Fire
None (glass lacks the high dispersion of a diamond)
Scintillation
Poor due to lack of facets and symmetry
Proportions
Irregular shard dimensions
Symmetry
Asymmetrical raw fragment
Polish
Raw fractured surface, unpolished
Fluorescence
Unknown (requires UV testing, likely none to moderate)
Inclusions
Gas bubbles and flow lines typical of manufactured glass
Blemishes
Surface chips, weathering, and sharp edges
Origin
Man-made glass / Industrial waste slag
Treatment Detection
Standard colored glass, no gemstone treatments
Estimated Value
Nominal / Zero commercial gemstone value
Certification Estimate
Not certifiable by gemological diamond labs (GIA, IGI, etc.)
Investment Potential
None
Similar Diamonds
None (glass is visually and chemically unrelated to diamond)
Setting Suggestions
Not suitable for fine jewelry setting
Care & Maintenance
Handle with care due to sharp edges; wash with mild soap and water if collected as a specimen
Interesting Facts
Green glass is frequently mistaken by novices for raw emerald, rough green diamond, or peridot due to its vibrant coloration and vitreous appearance.