Black Ruby Giant Boulder
Vitro Agate Company · 1940s - 1960s
Identification summary
A massive machine-made solid glass marble that appears opaque black but is actually composed of extremely dense ruby red glass.
Visible record
- Maker candidate
- Vitro Agate Company
- Era
- 1940s - 1960s
- Pattern
- Solid
- Rarity assessment
- Uncommon
- Condition assessment
- Good
- Size
- Giant Boulder (2 inch)
- Material
- Glass