"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
|Natural or man made||Natural|