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Facts about Covellite and Sillimanite


Sillimanite Vs Covellite Facts


Astrology

Origin
Mexico   
USA, Madagascar, India, Sri Lanka, Burma, Australia, Italy, Brazil   

Color
Blue, Blue, Black   
Blue, Green, Brownish, Greenish, Colorless, gray   

Streak
Grey, Black, gray   
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   

Physical Properties

Tenacity
Flexible   
Tough   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
4.6-4.76   
3.20-3.26   

Fracture
Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Brittle, Metallic   
Splintery   

Cleavage
Perfect on {0001}   
{010} perfect   

Mohs Hardness
Not Available   
6-7.5   

Chemical Composition
CuSMichael O’Donoghue , Gems, Sixth edition (2006) More from other references   
Al 2SiO 5Michael O’Donoghue , Gems, Sixth Edition (2006)   

Optical Properties

Luster
Resinous   
Vitreous, Subadamantine, Silky   

Pleochroism
Marked   
Colourless to pale brown to yellow   

Dispersion
Not Available   
Not Available   

Transparency
OpaqueAnthony et al, Handbook of mineralogy (2001) More from other references   
Transparent, Translucent   

Refractive Index
1.45-2.62   
1.653-1.685   

Optic Character
Not Available   
Not Available   

Crystal System
Hexagonal   
Orthorhombic   

Birefringence
Not Available   
0.020-0.022   

Clarity
OpaqueAnthony et al   
Transparent   

Benefits

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   

Summary >>
<< Benefits

Covellite Vs Sillimanite Specifications

While buying, there is a common bewilderment that most of the buyers face. As you compare Covellite Vs Sillimanite 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 Covellite and Sillimanite Astrology. Its highly necessary to have a basic knowledge of facts about Covellite and Sillimanite, before you finalize to buy one.

Covellite is known to regulate the influence of Not Available planet. Sillimanite, the unique gem is known to regulate the influence of Not Available planet.

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