Origin
Southern and central Africa
  
Sri Lanka, India, Brazil
  
Color
White, Colorless, Blue, Red, Green, Yellow, Violet
  
Green, Brown, Brown, Colorless, Green, gray, Yellow
  
Streak
Not Available
  
Brownish, White, Brownish, White
  
For which Rashi?
Not Available
  
Not Available
  
Planet
Not Available
  
Not Available
  
Element of Planets
Not Available
  
Not Available
  
How to Wear?
  
  
Finger
Not Available
  
Not Available
  
Ring Metal
Not Available
  
Not Available
  
Energy
Not Available
  
Not Available
  
Deities
Not Available
  
Not Available
  
Not to wear with
Not Available
  
Not Available
  
Powers
Not Available
  
Not Available
  
Birthstone
  
  
Planetary
Not Available
  
Not Available
  
Talisman
Not Available
  
Not Available
  
Tenacity
Not Available
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
1.98-2.50
  
3.55-3.73
  
Fracture
Conchoidal, Conchoidal, Gemstones of the world (2001)
  
Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle
  
Cleavage
Not Available
  
none
  
Mohs Hardness
5.5-6.5
  
7-7.5
  
Chemical Composition
SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)
  
Ca 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
  
Luster
Not Available
  
Greasy, Vitreous
  
Pleochroism
AbsentWalter Schumann
  
None
  
Dispersion
None
  
Transparency
Translucent
  
Gemmological Tables (2004) More from other references
  
Refractive Index
1.37-1.52
  
1.730-1.760
  
Optic Character
Not Available
  
Not Available
  
Crystal System
Not Available
  
cubic
  
Birefringence
Not Available
  
0.020
  
Clarity
Translucent
  
TransparentUlrich Henn and Claudio C. Milisenda
  
Physical
  
  
Neurological
Not Available
  
Not Available
  
Cardiovascular
Not Available
  
Not Available
  
Respiratory
Not Available
  
Not Available
  
Reproductive
Not Available
  
Not Available
  
Digestive
Not Available
  
Not Available
  
Psychology
Not Available
  
Not Available
  
Healing
Not Available
  
Not Available
  
Qualities Associated
Not Available
  
Not Available
  
Common Opal Vs Grossular Specifications
While buying, there is a common bewilderment that most of the buyers face. As you compare Common Opal Vs Grossular specifications, it helps you to decide which gemstone suits your zodiac sign. Besides, the extent to which a gemstone benefits you can be understood after comparing Common Opal and Grossular Astrology. Its highly necessary to have a basic knowledge of facts about Common Opal and Grossular, before you finalize to buy one.
Common Opal is known to regulate the influence of Not Available planet. Grossular, the unique gem is known to regulate the influence of Not Available planet.