Not a diamond (appears to be rough glass slag or mineral with a coated/iridescent film)
Not a diamond (appears to be rough glass slag or mineral with a coated/iridescent film) · Raw, uncut, amorphous mass
Not applicable (uncut raw material) Cut
Carat
Not applicable (rough specimen)
Color
Deep green with strong rainbow iridescence
Clarity
Included / Opaque with internal fractures
Shape
Raw, uncut, amorphous mass
Overall Assessment
This specimen is not a diamond nor a precious gemstone, but rather a piece of rough green glass slag featuring a vibrant iridescent surface sheen.
Cut Quality
Not applicable (uncut raw material)
Brilliance
Low due to non-crystalline structure and inclusions
Fire
Artificial spectral display caused by surface coating or thin-film interference
Scintillation
Poor
Proportions
Not applicable
Symmetry
Not applicable
Polish
Rough / Natural fracture surfaces
Fluorescence
Not applicable
Inclusions
Numerous internal bubbles and fractures typical of glass or slag
Blemishes
Surface weathering, chips, and iridescent coating
Origin
Industrial byproduct or decorative slag glass
Treatment Detection
Surface coated to produce an iridescent sheen
Estimated Value
Nominal / Decorative mineral specimen value
Certification Estimate
Not certifiable as a gemstone by standard gemological labs (GIA/AGS)
Investment Potential
None as an investment gemstone
Similar Diamonds
None (this is not a diamond)
Setting Suggestions
Wire-wrapped rough specimen or display piece
Care & Maintenance
Handle with care, avoid harsh chemicals that might strip surface coatings
Interesting Facts
Iridescent slag glass is often mistaken for precious opal or treated minerals by untrained observers