Natural Chrome Tourmaline
- 3.11 carats
- No indication of treatment
- Nanyang Gemstone Report
The natural green tourmaline has chromium element in it. Hence, it is well known as chrome tourmaline. It is more rare and valuable than green tourmaline.
Such vivid green is highly desired. It resembles emerald and tsavorite. In addition, its more than 3 carats size really makes this stone a rare gem.