Home
 Gemstones


Dravite
Intermediate Gold Nuggets
Intermediate Gold Nuggets and Dravite Optical Properties


Optical Properties
Luster
Vitreous  
-  
Pleochroism
Very strong: pale yellow colorless  
-  
Dispersion
0.02  
99+
-  
Transparency
Transparent  
-  
Refractive Index
1.614-1.666  
-9999  
Optic Character
-  
-  
Crystal System
Trigonal Ditrigonal Pyramidal H-M Symbol (3m) Space Group: R 3m  
Trigonal  
Birefringence
0.014-0.032  
-9999  
Clarity
Transparent  
-  
Benefits >>
<< Physical Properties

Compare Blue Gemstones

Blue Gemstones

Blue Gemstones

Compare Blue Gemstones

Home | About | Contact | Disclaimer | Terms of use
© A softusvista inc. venture!