specializing in gems

 


Jet

Structure : Amorphous
Hardness : 2.5
Specific Gravity : 1.33
Refractive index : 1.64 - 1.6
Doubly Refracting (bi-refraction) : not availb

 
 

Make payments safely and securely with Paypal United States Postal Service Member of Square Trade Ebay Power Seller