Origin
Ethiopia
  
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
Yellow, White, Red, Brown, Blue
  
Green
  
Streak
White
  
Not Available
  
For which Rashi?
Cancer, Libra, Scorpio, Cancer, Libra, Scorpio, Cancer, Libra, Scorpio
  
Scorpio
  
Planet
Mercury
  
Venus
  
Element of Planets
Earth, Air, Water
  
Earth
  
How to Wear?
  
  
Finger
Not Available
  
Not Available
  
Ring Metal
Not Available
  
Not Available
  
Energy
Projective, Receptive
  
Projective, Receptive
  
Deities
Cupid
  
Not Available
  
Not to wear with
Not Available
  
Not Available
  
Powers
Astral Projection, Psychicism
  
Love
  
Birthstone
  
  
Planetary
Not Available
  
Not Available
  
Talisman
Not Available
  
Not Available
  
Tenacity
BrittleWalter Schumann
  
Not Available
  
Solubility
hot salt water
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
1.98-2.25
  
3.69-3.81
  
Fracture
Conchoidal, Conchoidal, Gemstones of the world (2001) More from other references, Brittle
  
Not Available
  
Cleavage
None
  
1,1 ; 3,2.
  
Mohs Hardness
5-6.5
  
8.5
  
Chemical Composition
SiO2 · nH2O
  
BeAl 2 O 4
  
Luster
Vitreous, Pearly
  
Vitreous
  
Pleochroism
None
  
Not Available
  
Dispersion
None
  
Not Available
  
Transparency
Transparent, Translucent, Transparent to translucent
  
Transparent, Transparent to nearly opaque
  
Refractive Index
1.37-1.52
  
1.739-1.770
  
Optic Character
Not Available
  
Biaxial/+
  
Crystal System
Trigonal
  
Orthorhombic
  
Birefringence
Not Available
  
0.007-0.010
  
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
  
Opal Vs Alexandrite Specifications
While buying, there is a common bewilderment that most of the buyers face. As you compare Opal 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 Opal and Alexandrite Astrology. Its highly necessary to have a basic knowledge of facts about Opal and Alexandrite, before you finalize to buy one.
Opal is known to regulate the influence of Mercury planet.Opal, that occurs commonly in Yellow, White, Red, Brown, Blue color, possesses Projective and Receptive energy.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.