Carbonado from Minas Gerais, Brazil. Photo by RockSteadyGlitter. Public Domain.
Opaque Gray Diamond Rough from Brazil
Carbonado from Minas Gerais, Brazil. Photo by RockSteadyGlitter. Public Domain.
Article: Unique Gem Materials for Jewelry Design
Credit: RockSteadyGlitter
| Gemstone | Diamond |
| Natural or man made | Natural |
| Origin | Brazil |
| Origin details | Minas Gerais |
| Gem State | Rough |
| Color | Gray |
| Transparency | Opaque |