Facts about Neptunite and Alexandrite
Origin
USA
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
Black, Red, Brown
Green
Streak
Brown, Red
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
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Not to wear with
Not Available
Not Available
Powers
Not Available
Love
Planetary
Not Available
Not Available
Talisman
Not Available
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Tenacity
Brittle
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
3.19-3.23
3.69-3.81
Fracture
Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle
Not Available
Cleavage
{110} good
1,1 ; 3,2.
Chemical Composition
KNa 2Li(Fe2+ ,Mn2+ ) 2Ti 2Si 8O 24Michael OâDonoghue , Gems, Sixth Edition (2006)
BeAl 2 O 4
Pleochroism
x=yellow-orange
Not Available
Dispersion
Not Available
Not Available
Transparency
Translucent
Transparent, Transparent to nearly opaque
Refractive Index
1.692-1.734
1.739-1.770
Optic Character
Not Available
Biaxial/+
Crystal System
monoclinic
Orthorhombic
Birefringence
0.0294-0.0452
0.007-0.010
Clarity
Translucent
Transparent
Neurological
Not Available
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Cardiovascular
Not Available
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Respiratory
Not Available
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Reproductive
Not Available
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Digestive
Not Available
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Psychology
Not Available
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Healing
Not Available
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Qualities Associated
Not Available
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Neptunite Vs Alexandrite Specifications
While buying, there is a common bewilderment that most of the buyers face. As you compare Neptunite 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 Neptunite and Alexandrite Astrology. Its highly necessary to have a basic knowledge of facts about Neptunite and Alexandrite, before you finalize to buy one.
Neptunite 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.