Natural London Blue Topaz Pears

Moh’s Scale Hardness: 8
Specific Gravity: 3.4-3.6
Refractive Index: 1.606-1.638
Treatment: Irradiated
Stability/Care: Excellent / Normal
Origin: Brazil

Average Weights:
9x6mm – 1.45cts
10x7mm – 2.13cts