“Tourmalines,” Brazil, by Mauro Cateb. Licensed under CC By 2.0.
Translucent Red Tourmaline Rough from Brazil
Brazilian tourmalines. Photo by Mauro Cateb. Licensed under CC By 2.0.
Article: The White Paper Test and Rough Gem Buying
Credit: Mauro Cateb
| Gemstone | Tourmaline |
| Natural or man made | Natural |
| Origin | Brazil |
| Gem State | Rough |
| Color | Red, Green, Black |
| Transparency | Translucent |