Facts about Alexandrite and Neptunite
Origin
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
  
USA
  
Color
Green
  
Black, Red, Brown
  
Streak
Not Available
  
Brown, Red
  
For which Rashi?
Scorpio
  
Not Available
  
Planet
Venus
  
Not Available
  
Element of Planets
Earth
  
Not Available
  
How to Wear?
  
  
Finger
Not Available
  
Not Available
  
Ring Metal
Not Available
  
Not Available
  
Energy
Projective, Receptive
  
Not Available
  
Deities
Not Available
  
Not Available
  
Not to wear with
Not Available
  
Not Available
  
Powers
Love
  
Not Available
  
Birthstone
  
  
Planetary
Not Available
  
Not Available
  
Talisman
Not Available
  
Not Available
  
Tenacity
Not Available
  
Brittle
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
3.69-3.81
  
3.19-3.23
  
Fracture
Not Available
  
Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle
  
Cleavage
1,1 ; 3,2.
  
{110} good
  
Mohs Hardness
8.5
  
5-6
  
Chemical Composition
BeAl 2 O 4
  
KNa 2Li(Fe2+ ,Mn2+ ) 2Ti 2Si 8O 24Michael OâDonoghue , Gems, Sixth Edition (2006)
  
Luster
Vitreous
  
Vitreous
  
Pleochroism
Not Available
  
x=yellow-orange
  
Dispersion
Not Available
  
Not Available
  
Transparency
Transparent, Transparent to nearly opaque
  
Translucent
  
Refractive Index
1.739-1.770
  
1.692-1.734
  
Optic Character
Biaxial/+
  
Not Available
  
Crystal System
Orthorhombic
  
monoclinic
  
Birefringence
0.007-0.010
  
0.0294-0.0452
  
Clarity
Transparent
  
Translucent
  
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
  
Alexandrite Vs Neptunite Specifications
While buying, there is a common bewilderment that most of the buyers face. As you compare Alexandrite Vs Neptunite 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 Alexandrite and Neptunite Astrology. Its highly necessary to have a basic knowledge of facts about Alexandrite and Neptunite, before you finalize to buy one.
Alexandrite is known to regulate the influence of Venus planet.Alexandrite, that occurs commonly in Green color, possesses Projective and Receptive energy.Neptunite, the unique gem is known to regulate the influence of Not Available planet.