Glass
These vintage Czech glass cabochons imitate the appearance of turquoise with matrix. However, they're clearly identified as glass. Photo © Joel E. Arem, PhD, FGA. Used with permission.
Article: Turquoise Value, Price, and Jewelry Information
Credit: Joel E. Arem, PhD, FGA
Gemstone | Artisanal Glass |
Natural or man made | Lab-made |
Origin | Czech Republic |
Gem State | Cabochon |
Color | Blue |
Transparency | Opaque |