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Vivianite Vs Scheelite


Scheelite Vs Vivianite


Astrology

Origin
Southern and central Africa  
Switzerland, Australia, Brazil  

Color
Blue, Green, Colorless  
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  

Solubility
-  
-  

Durability
-  
-  

Specific Gravity
2.64-2.70  
5.9-6.3  

Fracture
-  
Conchoidal, Uneven  

Cleavage
{010} Perfect  
On {101}, distinct; on {112}, interrupted; on {001}, indistinct  

Mohs Hardness
-9999  
4.5-5  

Chemical Composition
Fe 3(PO 4) 2 8H 2OUlrich Henn and Claudio C.  
CaWO 4Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references  

Optical Properties

Luster
Vitreous, Pearly  
Vitreous, Adamantine  

Pleochroism
Anomalous plechroism is strong with colours deep blue/pale yellowish green/yellowish green.Michael O’Donoghue  
Definite dichoric in yellow (yellow to orange-brown)  

Dispersion
0.03  
99+
0.04  
36

Transparency
Transparent  
Translucent, Transparent  

Refractive Index
1.560-1.640  
1.918-1.936  

Optic Character
-  
-  

Crystal System
-  
tetragonal  

Birefringence
0.054-0.075  
0.016  

Clarity
Transparent  
Translucent  

Benefits

Physical
  
  

Neurological
Enhances mental clarity and focus  
-  

Cardiovascular
-  
-  

Respiratory
Good  
-  

Reproductive
-  
-  

Digestive
-  
-  

Psychology
Hope  
Awareness  

Healing
Emotional healing  
Physical healing  

Qualities Associated
Transformation  
Balance & Clarity  

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Vivianite Vs Scheelite Fracture

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

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Vivianite Vs Scheelite Luster

A primary knowledge about Vivianite 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. Vivianite exhibits Vitreous and Pearly luster. Scheelite, on other hand, exhibits Vitreous and Adamantine luster.

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