Not a diamond; this is a piece of industrial or decorative glass slag featuring characteristic conchoidal fracture patterns.

Not a diamond; this is a piece of industrial or decorative glass slag featuring characteristic conchoidal fracture patterns. · Irregular / Raw Fragment

Poor (Uncut raw fragment with natural fracture surfaces) Cut

Not a diamond; this is a piece of industrial or decorative glass slag featuring characteristic conchoidal fracture patterns. - Irregular / Raw Fragment

Carat

N/A (Glass piece, significantly heavy due to large volume)

Color

Aquamarine Blue / Turquoise (Fancy Color equivalent)

Clarity

Included (Contains internal bubbles, swirl lines, and debris typical of glass)

Shape

Irregular / Raw Fragment

Overall Assessment

The specimen pictured is not a diamond or a natural gemstone of any kind, but rather a fragment of colored glass showing classic conchoidal fracturing and internal bubbles.

Cut Quality

Poor (Uncut raw fragment with natural fracture surfaces)

Brilliance

Low to Moderate (Glass luster, not adamantine)

Fire

Minimal to None

Scintillation

Poor

Proportions

N/A

Symmetry

Asymmetrical

Polish

Raw / Unpolished fracture surfaces

Fluorescence

None observed

Inclusions

Gas bubbles, flow lines, and trapped impurities

Blemishes

Surface chips, weathering, and rough fracture edges

Origin

Man-made industrial or artisanal glass waste

Treatment Detection

N/A

Estimated Value

Minimal (Scrap or decorative slag glass value, essentially negligible)

Certification Estimate

Not applicable for grading laboratories (GIA/AGS/IGI do not grade glass)

Investment Potential

None

Similar Diamonds

None (No gemstone equivalence, purely decorative glass)

Setting Suggestions

Wire wrapping or bezel setting if used for wire-wrap artisan jewelry

Care & Maintenance

Wash with mild soap and water; avoid heavy impacts as glass is fragile and prone to chipping

Interesting Facts

Slag glass is often mistaken for rough precious gemstones like aquamarine, tourmaline, or emerald by untrained finders due to its appealing blue-green color and conchoidal fractures.

Identified on 9/11/2026
Not a diamond; this is a piece of industrial or decorative glass slag featuring characteristic conchoidal fracture patterns. Irregular / Raw Fragment | Diamond Identifier