Facts about Covellite and Alexandrite
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
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
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
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
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.