Facts about Sillimanite and Cordierite Iolite
Origin
USA, Madagascar, India, Sri Lanka, Burma, Australia, Italy, Brazil
  
Canada, Madagascar, Southern and central Africa, Sri Lanka, USA
  
Color
Blue, Green, Brownish, Greenish, Colorless, gray
  
Violet, Blue
  
Streak
White
  
Not Available
  
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
Tough
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
3.20-3.26
  
2.56-2.66
  
Fracture
Splintery
  
Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001)
  
Cleavage
{010} perfect
  
Not Available
  
Mohs Hardness
6-7.5
  
7-7.5
  
Chemical Composition
Al 2SiO 5Michael OâDonoghue , Gems, Sixth Edition (2006)
  
Mg 2Al 4Si 5O 18Ulrich Henn and Claudio C.
  
Luster
Vitreous, Subadamantine, Silky
  
Vitreous
  
Pleochroism
Colourless to pale brown to yellow
  
Strong trichroism: colorless to yellowish
  
Dispersion
Not Available
  
Transparency
Transparent, Translucent
  
Transparent
  
Refractive Index
1.653-1.685
  
1.542-1.578
  
Optic Character
Not Available
  
Biaxial/+
  
Crystal System
Orthorhombic
  
Not Available
  
Birefringence
0.020-0.022
  
0.008-0.012
  
Clarity
Transparent
  
Transparent
  
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
  
Sillimanite Vs Cordierite Iolite Specifications
While buying, there is a common bewilderment that most of the buyers face. As you compare Sillimanite Vs Cordierite Iolite 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 Sillimanite and Cordierite Iolite Astrology. Its highly necessary to have a basic knowledge of facts about Sillimanite and Cordierite Iolite, before you finalize to buy one.
Sillimanite is known to regulate the influence of Not Available planet. Cordierite Iolite, the unique gem is known to regulate the influence of Not Available planet.