Emerald 1.67cts

EMERALD

 

Emeralds have always have a special place in people’s hearts. In fact, different cultures from across the world have folklore about the sought after gemstone. Found in various parts of the world such as Colombia, Zambia, Brazil, Afghanistan, and Russia, emeralds occur in shades between blue green to medium or darker green and have been in high demand for centuries.

Mohs Scale Hardness

7.5 - 8.0

Specific Gravity

2.76

Birefringence

0.004 - 0.007

Refractive Index

nω=1.564 - 1.595
nε=1.568 - 1.602