Description
Round Faceted AAA Tanzanite
Specifications
| Weight: | 0.88 CT |
| Color: | Blue, Purple |
| Selling Unit of Measure: | ct |
| Gemstone Quality: | AAA |
| Gemstone Quality Description: | Medium dark bluish purple, no color zoning; eye clean; good brilliance; good cut and polish |
| Stone Enhancement Code: | H |
| Month for Birthstone: | December |
| Stone Hardness: | 6-7 |
| Gem Species: | Zoisite |
| Stone RI: | 1.691-1.700 |
| Stone Specific Gravity: | 3.35 |
| Stone Optic Character: | DR |
| Stone Phenomena: | Chatoyancy (rare) |
| Stone Ultrasonic Reaction: | Never use |
| Steamer Reaction: | Never use |
| Heat Reaction: | Very Poor – fuses easily, sudden temperature change may cause cracking |
| Chemical Reaction: | Hydrofluoric and hydrochloric acid |
| Major Sources: | Tanzania |
