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Common Opal
Pezzottaite
Pezzottaite Vs Common Opal


Astrology
Origin
Southern and central Africa  
Afghanistan  
Color
White, Colorless, Blue, Red, Green, Yellow, Violet  
White, Colorless, Blue, Red, Green, Yellow, Violet, pink  
Streak
-  
White  
For which Rashi?
-  
-  
Planet
-  
-  
Element of Planets
-  
-  
Energy
-  
-  
How to Wear?
  
  
Finger
-  
-  
Ring Metal
-  
-  
Deities
-  
-  
Not to wear with
-  
-  
Powers
-  
-  
Birthstone
  
  
Planetary
-  
-  
Talisman
-  
-  
Physical Properties
Tenacity
-  
-  
Solubility
-  
-  
Durability
-  
-  
Specific Gravity
1.98-2.50  
2.90-3.14  
Fracture
Conchoidal  
Conchoidal, Uneven  
Cleavage
None  
Imperfect; basal  
Mohs Hardness
5.5-6.5  
7.5-8  
Chemical Composition
SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)  
(Be,Cs) 3Al 2Si 6O 18 · 0.5H 2OUlrich Henn and Claudio C.  
Optical Properties
Luster
-  
Vitreous  
Pleochroism
-  
Moderate dichroic  
Dispersion
0.01  
99+
0.02  
99+
Transparency
Translucent  
Transparent  
Refractive Index
1.37-1.52  
1.598-1.620  
Optic Character
-  
-  
Crystal System
-  
Hexagonal  
Birefringence
-9999  
0.008-0.011  
Clarity
Translucent  
Transparent  
Benefits
Physical
  
  
Neurological
-  
-  
Cardiovascular
-  
-  
Respiratory
Good  
-  
Reproductive
-  
-  
Digestive
-  
-  
Psychology
Creativity  
-  
Healing
Emotional healing  
Emotional healing  
Qualities Associated
Creativity  
-  
Astrology >>
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