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Prasiolite Vs Gahnite


Gahnite Vs Prasiolite


Astrology

Origin
Canada  
Australia  

Color
Green  
Blue, Green, Greenish, Black  

Streak
Not Available  
Grey, gray  

For which Rashi?
Libra, Sagittarius, Taurus  
Not Available  

Planet
Jupiter  
Not Available  

Element of Planets
Water  
Not Available  

Energy
Receptive  
Not Available  

How to Wear?
  
  

Finger
Not Available  
Not Available  

Ring Metal
Not Available  
Not Available  

Deities
Goddess  
Not Available  

Not to wear with
Not Available  
Not Available  

Powers
Not Available  
Not Available  

Birthstone
  
  

Planetary
Not Available  
Not Available  

Talisman
Not Available  
Not Available  

Physical Properties

Tenacity
Brittle  
Not Available  

Solubility
Not Available  
Not Available  

Durability
Not Available  
Not Available  

Specific Gravity
2.65  
4.00-4.62  

Fracture
Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001)  
Conchoidal, Uneven  

Cleavage
3,1  
Indistinct parting on [111]  

Mohs Hardness
7  
7.5-8  

Chemical Composition
SiO 2Ulrich Henn and Claudio C.  
ZnAl 2O 4Michael O’Donoghue , Gems, Sixth Edition (2006)  

Optical Properties

Luster
Vitreous  
Vitreous  

Pleochroism
Very weak: light green pale greenWalter Schumann  
Not Available  

Dispersion
0.01  
27
Not Available  

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

Refractive Index
1.544-1.553  
1.790-1.818  

Optic Character
Not Available  
Not Available  

Crystal System
Trigonal  
cubic  

Birefringence
0.009  
Not Available  

Clarity
Transparent  
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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Prasiolite Vs Gahnite Fracture

Fracture is an important parameter when you compare Prasiolite and Gahnite Physical Properties. It is necessary to understand the significance of these properties, before you compare Prasiolite Vs Gahnite 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 Prasiolite is Conchoidal, ConchoidalWalter Schumann and Gemstones of the world (2001). Gahnite fracture is Conchoidal and Uneven.

Compare Gems for Taurus

Prasiolite Vs Gahnite Luster

A primary knowledge about Prasiolite vs Gahnite 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. Prasiolite exhibits Vitreous luster. Gahnite, on other hand, exhibits Vitreous luster.

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