Obsidian
Ceremonial dagger, obsidian blade with a turquoise, coral, and shell mosaic overlay on the hilt, about 10.5 inches long. Mixtec culture, Mexico, ca 1200-1500 CE. On display at the de Young Museum, San Francisco, California. Photo by Peter D. Tillman. Licensed under CC By-SA 2.0.
Article: Obsidian Value, Price, and Jewelry Information
Credit: Peter D. Tillman
| Gemstone | Natural Glass, Obsidian, Artisanal Glass |
| Natural or man made | Natural |
| Origin | Mexico |
| Jewelry type | Other |
| Gem State | Carved |
| Color | Black |
| Transparency | Opaque |