AI-assisted community identification

Iridescent Black Swirl

JABO Inc. · Late 20th Century

Iridescent Black Swirl by JABO Inc., identification view
Community photograph · added 24 June 2026

Identification summary

An experimental or classic-run marble from Ohio with a dark core and surface luster.

Visible record

Maker candidate
JABO Inc.
Era
Late 20th Century
Pattern
Solid Opaque with Iridescent Coating
Rarity assessment
Uncommon
Condition assessment
Near Mint
Size
Standard (5/8 inch)
Material
Glass