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Benitoite Vs Kyanite


Kyanite Vs Benitoite


Astrology

Origin
USA, Color: blue or violetish blue, colorless, Hardness: 6 6.5, Refractive index: 1.76 1.80, Density: 3.60 3.68, Chemical composition: BaTiSi3O9, Crystal structure: hexagonal, Lustre: vitreous, Origins: San Benito Country, USA. Very rare collectors stone. Found only in San Benito County, California, USA, with specimens over 2 ct. being extremely rare.   
Brazil, USA, Switzerland, Kenya, Mozambique, Russia, Nepal, India, Burma   

Color
Violet, Blue, Colorless, Blue, pink, White, Colorless   
Blue, Yellow, Colorless, White, gray, Green, Black   

Streak
White   
White   

For which Rashi?
Not Available   
Aries, Libra, Taurus, Aries, Libra, Taurus, Aries, Libra, Taurus   

Planet
Not Available   
Jupiter   

Element of Planets
Not Available   
Water   

How to Wear?
  
  

Finger
Not Available   
Not Available   

Ring Metal
Not Available   
Not Available   

Energy
Not Available   
Receptive   

Deities
Not Available   
Endurance, Meditation, Love   

Not to wear with
Not Available   
Not Available   

Powers
Not Available   
Love   

Birthstone
  
  

Planetary
Not Available   
Not Available   

Talisman
Not Available   
Not Available   

Physical Properties

Tenacity
Not Available   
Brittle   

Solubility
Insoluble: HCl   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
3.61-3.68   
3.53-3.65   

Fracture
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle   
Splintery, Brittle, Metallic   

Cleavage
[10 1 1] poor   
[100] perfect [010] imperfect with 79° angle between   

Mohs Hardness
6-6.5   
4-7   

Chemical Composition
BaTiSi 3O 9Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references   
Not Available   

Optical Properties

Luster
Vitreous   
Vitreous, Pearly   

Pleochroism
O = colorless; E = purple   
Trichroic   

Dispersion
0.04   
11
Not Available   

Transparency
Transparent   
Not Available   

Refractive Index
1.757-1.804   
1.71-1.74   

Optic Character
Not Available   
Not Available   

Crystal System
Hexagonal   
Triclinic   

Birefringence
0.047   
Not Available   

Clarity
Transparent   
Color grading system   

Benefits

Physical
  
  

Neurological
Not Available   
Not Available   

Cardiovascular
Not Available   
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Respiratory
Not Available   
Not Available   

Reproductive
Not Available   
Not Available   

Digestive
Not Available   
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Psychology
Not Available   
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Healing
Not Available   
Not Available   

Qualities Associated
Not Available   
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Benitoite Vs Kyanite Fracture

Fracture is an important parameter when you compare Benitoite and Kyanite Physical Properties. It is necessary to understand the significance of these properties, before you compare Benitoite Vs Kyanite 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. Fracture observed in Benitoite is Brittle, Conchoidal, Conchoidal, ConchoidalArthur Thomas and Gemstones (2009). Kyanite fracture is Brittle, Metallic and Splintery.

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Benitoite Vs Kyanite Luster

A primary knowledge about Benitoite vs Kyanite 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. Benitoite exhibits Vitreous luster. Kyanite, on other hand, exhibits Pearly and Vitreous luster.

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