Black Onyx
Akro Agate · 1930s-1940s Machine Made
Identification summary
Dense black to dark navy Onyx that appears opaque but shows translucent blue and smoky swirl when lit. Standard 5/8-inch player size.
Visible record
- Maker candidate
- Akro Agate
- Era
- 1930s-1940s Machine Made
- Pattern
- Onyx
- Rarity assessment
- Common
- Condition assessment
- Near Mint
- Size
- Standard Player - 15mm (~9/16 to 5/8 inch)
- Material
- Glass
Why this candidate
Best match for 15mm dark navy-black glossy sphere that looks opaque black in low light but shows translucent blue in second image. Classic Akro Onyx construction and size.