Tanzanite is a stunning, rare, and valuable gem of mineral Zoisite. Most of you understand that tanzanite will "mine out" in the near future and though we cannot be sure exactly when this will happen, we can say with certainty that prices are climbing steadily.
| Gemstone Type | Tanzanite |
| Stone Creation | Natural |
| Stone Type | Tanzanite |
| Gemstone Shape | Cushion |
| Gemstone Color | Blue Violet |
| Gemstone Creation | Natural |
| Gemstone Form | Cut |
| Cut Grade | Good |
| Gemstone Treatment | Natural - Heated |
| Certification | None |
| Brand | Nexus Gems |
| Gemstone Clarity Grade | VVS |
| Item Length | 5.46 |
| Item Width | 5.44 |
| Item Depth | 3.13 |
| Color | Bluish Violet |
| Transparency | Transparent |
| Shape | Cushion |
| Luster | Vitreous |
| Product ID | 20121226-23771 |
| Hardness | 6.5 |
| Gem Type | Natural Tanzanite |
| Treatment | Natural - Heated |
| Total Carat Weight (TCW) | 0.76 |
| Size (L X W X D) | 5.46 x 5.44 x 3.13 MM |
| Natural/Lab-Created | Natural |
| Weight Ct | 0.76 |
| Grade | Medium Light - A+ |
These gemstones are sized from 04×06 to 13×18 mm, so there is a lot to pick.