Rough tourmaline nodules, Zambia. Photo by Jeff Graham.
Green Tourmaline Rough from Zambia
Rough tourmaline nodules, Zambia. Photo by Jeff Graham.
Article: Basic Business Rules: Buying Rough
Credit: Jeff Graham
| Gemstone | Tourmaline |
| Natural or man made | Natural |
| Origin | Zambia |
| Gem State | Rough |
| Color | Green, Pink |
| Transparency | Transparent |
| Multi-color | Bi-color |