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Poudretteite Vs Scheelite


Scheelite Vs Poudretteite


Astrology

Origin
Canada, Southern and central Africa  
Switzerland, Australia, Brazil  

Color
Violet, Colorless, pink  
Yellow, Colorless, White, Brownish, Reddish  

Streak
White  
White  

For which Rashi?
-  
-  

Planet
-  
-  

Element of Planets
-  
-  

Energy
-  
-  

How to Wear?
  
  

Finger
-  
-  

Ring Metal
-  
-  

Deities
-  
-  

Not to wear with
-  
-  

Powers
-  
-  

Birthstone
  
  

Planetary
-  
-  

Talisman
-  
-  

Physical Properties

Tenacity
Brittle  
Brittle  

Solubility
-  
-  

Durability
-  
-  

Specific Gravity
2.51-2.53  
5.9-6.3  

Fracture
Conchoidal, Splintery  
Conchoidal, Uneven  

Cleavage
None  
On {101}, distinct; on {112}, interrupted; on {001}, indistinct  

Mohs Hardness
5  
4.5-5  

Chemical Composition
KNa 2B 3Si 12O 30Michael O’Donoghue , Gems, Sixth Edition (2006)  
CaWO 4Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references  

Optical Properties

Luster
Vitreous  
Vitreous, Adamantine  

Pleochroism
Colorless  
Definite dichoric in yellow (yellow to orange-brown)  

Dispersion
0.02  
99+
0.04  
36

Transparency
-  
Translucent, Transparent  

Refractive Index
1.511-1.532  
1.918-1.936  

Optic Character
-  
-  

Crystal System
Hexagonal  
tetragonal  

Birefringence
0.021  
0.016  

Clarity
TransparentUlrich Henn and Claudio C. Milisenda  
Translucent  

Benefits

Physical
  
  

Neurological
-  
-  

Cardiovascular
-  
-  

Respiratory
Good  
-  

Reproductive
-  
-  

Digestive
-  
-  

Psychology
-  
Awareness  

Healing
-  
Physical healing  

Qualities Associated
Love  
Balance & Clarity  

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Poudretteite Vs Scheelite Fracture

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

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Poudretteite Vs Scheelite Luster

A primary knowledge about Poudretteite vs Scheelite 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. Poudretteite exhibits Vitreous luster. Scheelite, on other hand, exhibits Vitreous and Adamantine luster.

Violet Gemstones

Violet Gemstones


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