Active Member
|
[China]
Address: 139-141 Wai Yip Street, Kwun Tong Kowloon, Hongkong, China.
Contact name:Bruce Chen
Rare Mine Chemical Resources Limited |
|
|
| Gemstone Material: | Tourmaline |
| Gemstone Weight: | As per requirement |
| Gemstone Color: | black |
| Gemstone Size: | As per requirement |
| Optical Special Effects | Phosphorescent/Phosphorescence |
| SiO2 | 40.02% |
| H2O | 4.30% |
| B2O3 | 8.32% |
| MnO | 1.20% |
| Al2O3 | 41.41% |
| Na2O | 1.90% |
