| Identification | Natural tourmaline (rubellite) |
| Origin | - |
| Comment | No indication of thermal treatment. |
| Item | Gold necklace with natural tourmaline (rubellite) and natural diamonds |
| Pieces | Tourmaline : 2 pcs, diamond : 929 pcs |
| Measurement | 25.5x24.0 mm, 18.4x14.2 mm (Approx) |
| Weight | Total : 127.48 gm, tourmaline : 72.22 cts (big), 19.67 cts (small) |
| Cut & shape | Mixed cut, cushion and oval shape |
| Colour | Vivid purplish red |
| Transparency | Transparent |
Thin-film feathers, needle like inclusions.