Origin
Mexico
  
Russia, Brazil, Tanzania, Madagascar, Zambia, Sri Lanka, Burma, India, Color: color change, from bluish green (daylight) to purple, red or brown (incandescent light), Hardness: 8, Refractive index: 1.74 1.77, Density: 3.68 3.80, Chemical composition: BeAl2O4, Crystal structure: orthorhombic, Origins: Russia, Brazil, Tanzania, Madagascar, Zambia, Sri Lanka, Burma
  
Color
Blue, Blue, Black
  
Green
  
Streak
Grey, Black, gray
  
Not Available
  
For which Rashi?
Not Available
  
Scorpio
  
Planet
Not Available
  
Venus
  
Element of Planets
Not Available
  
Earth
  
How to Wear?
  
  
Finger
Not Available
  
Not Available
  
Ring Metal
Not Available
  
Not Available
  
Energy
Not Available
  
Projective, Receptive
  
Deities
Not Available
  
Not Available
  
Not to wear with
Not Available
  
Not Available
  
Powers
Not Available
  
Love
  
Birthstone
  
  
Planetary
Not Available
  
Not Available
  
Talisman
Not Available
  
Not Available
  
Tenacity
Flexible
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
4.6-4.76
  
3.69-3.81
  
Fracture
Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Brittle, Metallic
  
Not Available
  
Cleavage
Perfect on {0001}
  
1,1 ; 3,2.
  
Mohs Hardness
Not Available
  
8.5
  
Chemical Composition
CuSMichael OâDonoghue , Gems, Sixth edition (2006) More from other references
  
BeAl 2 O 4
  
Luster
Resinous
  
Vitreous
  
Pleochroism
Marked
  
Not Available
  
Dispersion
Not Available
  
Not Available
  
Transparency
OpaqueAnthony et al, Handbook of mineralogy (2001) More from other references
  
Transparent, Transparent to nearly opaque
  
Refractive Index
1.45-2.62
  
1.739-1.770
  
Optic Character
Not Available
  
Biaxial/+
  
Crystal System
Hexagonal
  
Orthorhombic
  
Birefringence
Not Available
  
0.007-0.010
  
Clarity
OpaqueAnthony et al
  
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
  
Covellite Vs Alexandrite Specifications
While buying, there is a common bewilderment that most of the buyers face. As you compare Covellite Vs Alexandrite 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 Alexandrite Astrology. Its highly necessary to have a basic knowledge of facts about Covellite and Alexandrite, before you finalize to buy one.
Covellite is known to regulate the influence of Not Available planet. Alexandrite, the unique gem is known to regulate the influence of Venus planet. Alexandrite, which is classic Green colored gem, possesses Projective and Receptive energy.