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Scheelite Vs Phenakite


Phenakite Vs Scheelite


Astrology

Origin
Switzerland, Australia, Brazil  
USA, Brazyl, Switzerland, Tanzania, Madagascar, Russia, Sri Lanka  

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

Streak
White  
White  

For which Rashi?
Not Available  
Not Available  

Planet
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Element of Planets
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Energy
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How to Wear?
  
  

Finger
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Ring Metal
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Deities
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Not to wear with
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Powers
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Birthstone
  
  

Planetary
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Talisman
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Physical Properties

Tenacity
Brittle  
Brittle  

Solubility
Not Available  
Not Available  

Durability
Not Available  
Not Available  

Specific Gravity
5.9-6.3  
2.90-2.98  

Fracture
Conchoidal, Gemstones of the world (2001) More from other references, Uneven  
Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001), Brittle  

Cleavage
On {101}, distinct; on {112}, interrupted; on {001}, indistinct  
Distinct on {11 2 0}, imperfect on {10 1 1}  

Mohs Hardness
4.5-5  
7.5-8  

Chemical Composition
CaWO 4Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references  
Be 2SiO 4Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references  

Optical Properties

Luster
Vitreous, Adamantine  
Vitreous  

Pleochroism
Definite dichoric in yellow (yellow to orange-brown)  
Distinct: colorless orangy-yellowHerve Nicolas Lazzarelli  

Dispersion
0.04  
12
0.02  
24

Transparency
Translucent, Transparent  
Gemmological Tables (2004) More from other references  

Refractive Index
1.918-1.936  
1.650-1.695  

Optic Character
Not Available  
Not Available  

Crystal System
tetragonal  
Trigonal  

Birefringence
0.016  
0.016  

Clarity
Translucent  
TransparentUlrich Henn and Claudio C. Milisenda  

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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Scheelite Vs Phenakite Fracture

Fracture is an important parameter when you compare Scheelite and Phenakite Physical Properties. It is necessary to understand the significance of these properties, before you compare Scheelite Vs Phenakite 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 Scheelite is Conchoidal, Gemstones of the world (2001) More from other references and Uneven. Phenakite fracture is Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001) and Brittle.

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Scheelite Vs Phenakite Luster

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

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Yellow Gemstones


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