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Kyanite Vs Poudretteite


Poudretteite Vs Kyanite


Astrology

Origin
Brazil, USA, Switzerland, Kenya, Mozambique, Russia, Nepal, India, Burma   
Canada, Southern and central Africa   

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

Streak
White   
White   

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

Planet
Jupiter   
Not Available   

Element of Planets
Water   
Not Available   

How to Wear?
  
  

Finger
Not Available   
Not Available   

Ring Metal
Not Available   
Not Available   

Energy
Receptive   
Not Available   

Deities
Endurance, Meditation, Love   
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   

Physical Properties

Tenacity
Brittle   
Brittle   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
3.53-3.65   
2.51-2.53   

Fracture
Splintery, Brittle, Metallic   
Conchoidal, Splintery   

Cleavage
[100] perfect [010] imperfect with 79° angle between   
None   

Mohs Hardness
4-7   
5   

Chemical Composition
Not Available   
KNa 2B 3Si 12O 30Michael O’Donoghue , Gems, Sixth Edition (2006)   

Optical Properties

Luster
Vitreous, Pearly   
Vitreous   

Pleochroism
Trichroic   
Colorless   

Dispersion
Not Available   
Not Available   

Transparency
Not Available   
Gemmological Tables (2004) More from other references   

Refractive Index
1.71-1.74   
1.511-1.532   

Optic Character
Not Available   
Not Available   

Crystal System
Triclinic   
Hexagonal   

Birefringence
Not Available   
0.021   

Clarity
Color grading system   
TransparentUlrich Henn and Claudio C. Milisenda   

Benefits

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   

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Kyanite Vs Poudretteite Fracture

Fracture is an important parameter when you compare Kyanite and Poudretteite Physical Properties. It is necessary to understand the significance of these properties, before you compare Kyanite Vs Poudretteite 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 Kyanite is Brittle, Metallic and Splintery. Poudretteite fracture is Conchoidal and Splintery.

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Kyanite Vs Poudretteite Luster

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

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