Home
 Gemstones


Brookite
Astrophyllite
Astrophyllite and Brookite Optical Properties


Optical Properties
Luster
Adamantine  
Greasy, Pearly  
Pleochroism
Very weak  
Strong: X= deep red-orange Y= orange-yellow Z= lemon-yellow  
Dispersion
0.20  
7
0.12  
15
Transparency
-  
Translucent  
Refractive Index
2.583-2.741  
1.678-1.758  
Optic Character
-  
-  
Crystal System
Orthorhombic  
Triclinic  
Birefringence
0.117  
0.050  
Clarity
-  
Translucent  
Benefits >>
<< Physical Properties

Compare Red Gemstones

Red Gemstones

Red Gemstones

Compare Red Gemstones

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