Black Onyx Bird
| Gemstones | |
| Item ID | BOBIRD |
| Name | Black Onyx Bird |
| Type | Genuine |
| Shape | Round |
| Cut | Cabochon |
| Length | 30 mm |
| Width | 30 mm |
| SS Depth | 9 mm |
| Quality/Cut | AA |
| Comments | Painted or Non-painted |
| Certificate | NO |
| Treatment | Dyed |
| Tech Material (info) | Chalcedony |
| Origin | Germany |
| Ref Index | 1.530 - 1.539 |
| Hardness | 6.5 - 7 |
| Gravity | 2.58 - 2.64 |
| Clarity | NA |