Description
This lab-created ruby cabochon is made with corundum using the flame fusion method. Each stone has a chemical make-up identical to those found in nature. It performs at the bench just as a natural stone would. The color produced is a deep red that makes a dependable, affordable and popular choice in place of natural ruby gemstones. Ruby is the birthstone for July.
Details:
- Mohs hardness : 9-10
- Refractive index : 1.76–1.77
- Specific gravity : 3.99–4.00