AI-assisted community identification

Green Slag (Uranium)

Akro Agate Company · 1920s - 1940s

Green Slag (Uranium) by Akro Agate Company, identification view
Community photograph · added 14 June 2026

Identification summary

A classic machine-made slag marble featuring a transparent green base with opaque white swirls. This specimen is a 'shooter' size and contains uranium, causing it to glow under UV light.

Visible record

Maker candidate
Akro Agate Company
Era
1920s - 1940s
Pattern
Slag / Swirl
Rarity assessment
Uncommon
Condition assessment
Near Mint
Size
Shooter (1 inch)
Material
Glass