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Alexandrite Vs Vesuvianite


Vesuvianite Vs Alexandrite


Astrology

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   
Not Available   

Color
Green   
Brown, Blue, Green, Yellow, White   

Streak
Not Available   
White   

For which Rashi?
Scorpio   
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Planet
Venus   
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Element of Planets
Earth   
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How to Wear?
  
  

Finger
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Ring Metal
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Energy
Projective, Receptive   
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Deities
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Not to wear with
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Powers
Love   
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Birthstone
  
  

Planetary
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Talisman
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Physical Properties

Tenacity
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Solubility
Not Available   
Vesuvianite is virtually insolouble in acids   

Durability
Not Available   
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Specific Gravity
3.69-3.81   
3.32-3.43   

Fracture
Not Available   
Conchoidal, Brittle   

Cleavage
1,1 ; 3,2.   
Poor on {110} and {100} very poor on {001}   

Mohs Hardness
8.5   
6-7   

Chemical Composition
BeAl 2 O 4   
Not Available   

Optical Properties

Luster
Vitreous   
Vitreous, Resinous   

Pleochroism
Not Available   
slight in colored varieties   

Dispersion
Not Available   
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Transparency
Transparent, Transparent to nearly opaque   
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Refractive Index
1.739-1.770   
1.703-1.752   

Optic Character
Biaxial/+   
Not Available   

Crystal System
Orthorhombic   
tetragonal   

Birefringence
0.007-0.010   
0.004-0.006   

Clarity
Transparent   
Not Available   

Benefits

Physical
  
  

Neurological
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Cardiovascular
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Respiratory
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Reproductive
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Digestive
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Psychology
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Healing
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Qualities Associated
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Alexandrite Vs Vesuvianite Fracture

Fracture is an important parameter when you compare Alexandrite and Vesuvianite Physical Properties. It is necessary to understand the significance of these properties, before you compare Alexandrite Vs Vesuvianite fracture. Whenever a gemstone chip breaks, it leaves a characteristic line along its breakage. Such lines are known as fracture and are used to identify the gemstones in their initial stages of production when they are in the form of rough minerals. Fracture is usually described with the terms “fibrous” and “splintery” to denote a fracture that usually leaves elongated and sharp edges. Vesuvianite fracture is Brittle and Conchoidal.

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Alexandrite Vs Vesuvianite Luster

A primary knowledge about Alexandrite vs Vesuvianite luster is useful in apparent identifications of these gemstones. Luster is the measure of light that gets reflected when incident on a finished cut gemstone. There are two major types of lusters: Silky and Adamantine. Since luster varies between two crystals of even the same gemstone, luster is limited to basic identification criteria. Alexandrite exhibits Vitreous luster. Vesuvianite, on other hand, exhibits Resinous and Vitreous luster.

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