| Identification | Natural sapphire |
| Origin | Mogok, Myanmar. |
| Comment | No indication of thermal treatment. |
| Item | Gold necklace with natural sapphire |
| Pieces | Sapphire : 35 pcs |
| Measurement | 6.7x6.0 mm to 11.9x9.6 mm (Approx) |
| Weight | Total : 75.6 gm, sapphire : 80.30 cts |
| Cut & shape | Mixed cut, cushion to oval shape |
| Colour | Vivid blue |
| Transparency | Transparent |
Rutile needles, solids, feathers, twinned planes, boehmite.