Imperial Topaz 33.46cts

IMPERIAL TOPAZ

 

For a long period of time, exceptional quality Imperial Topaz have been rare to find. Once you learn to appreciate its rarity, the Imperial Topaz will become one of your favorite gemstones. This exceptional stone comes from Ouro Preto, located in Minas Gerais, Brazil.

Mohs Scale Hardness

8.0

Specific Gravity

3.49 - 3.57

Birefringence

0.010

Refractive Index

nα = 1.606 - 1.629
nβ = 1.609 - 1.631
nγ = 1.616 - 1.638