Home
Monthly Special
Rose Cut, Bullet Gems
Close Outs
Natural Faceted Gems
Lab Faceted Gems
Natural Cabochons
Lab Created Cabs
Search:
News & Specials
Retirement Special
Retired Now
Faceted Gems
Monthly Specials
Natural Cabochons
Lab Created Cabs
Sapphire Suites
Rough Gemstones
Bullets, Rose Cut & Checkerboard
Close Outs
Lab Faceted Gemstones
Jasper (Chalcedony)
Structure :
Trigonal
Hardness :
7
Specific Gravity :
2.61
Refractive index :
1.53 - 1.5
Doubly Refracting (bi-refraction) :
0.004
Designed by
4ss.net
Copyright © GRI
Home
|
About Us
|
Policies
|
Contact Us