Gem Resources Header

News & Specials

Retirement Special

Retired Now

 


Chrysocolla

Hardness : 2
Specific Gravity : 2.2
Refractive index : 1.57 - 1.6
Doubly Refracting (bi-refraction) : 0.03

 
 
Designed by 4ss.net
 Copyright © GRI
Home | About Us | Policies | Contact Us