Tanzanite (Zoisite)
"Tanzanite Roses," hand engraved pendant, 18k gold, white and blue diamonds, and tanzanite. Jewelry and photo by Jessa and Mark Anderson. Licensed under CC By 2.0. (You can see a test version of this pendant made with a "cobalt blue" lab-created quartzhere).
Article: A Beginner’s Guide To Common Gemstone Heat Treatments
Credit: CC By 2.0
| Gemstone | Tanzanite (Zoisite)Zoisite, |
| Treatments | Heat Treatment |
| Natural or man made | Natural |
| Jewelry type | necklace |
| Gem State | Faceted |
| Color | Blue |
| Transparency | Transparent |