|
| X | Y3 | Z6 | V3 | Names |
| TOUR 1 | Na | Fe3+ | Al | OH1− | Schorlitic tourmaline |
| TOUR 2 | Na | Mg | Al | OH1− | Dravitic tourmaline |
| TOUR 3 | Na | Mg | Al | OH1− | Dravitic tourmaline |
| TOUR 4 | Na | Fe3+ | Al | OH1− | Schorlitic tourmaline |
| TOUR 5 | Na | Fe3+ | Al | OH1− | Schorlitic tourmaline |
| TOUR 6 | Na | Fe3+ | Al | OH1− | Schorlitic tourmaline |