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Aventurine Vs Gahnite


Gahnite Vs Aventurine


Astrology

Origin
Austria, India, green   
Australia   

Color
White   
Blue, Green, Greenish, Black   

Streak
Not Available   
Grey, gray   

For which Rashi?
Aries   
Not Available   

Planet
Mercury   
Not Available   

Element of Planets
Air   
Not Available   

How to Wear?
  
  

Finger
Not Available   
Not Available   

Ring Metal
Not Available   
Not Available   

Energy
Projective   
Not Available   

Deities
Venus   
Not Available   

Not to wear with
Not Available   
Not Available   

Powers
Healing   
Not Available   

Birthstone
  
  

Planetary
Not Available   
Not Available   

Talisman
Not Available   
Not Available   

Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
2.64-2.69   
4.00-4.62   

Fracture
Conchoidal   
Conchoidal, Uneven   

Cleavage
Indiscernible   
Indistinct parting on [111]   

Mohs Hardness
7-6.5   
7.5-8   

Chemical Composition
SiO2   
ZnAl 2O 4Michael O’Donoghue , Gems, Sixth Edition (2006)   

Optical Properties

Luster
Vitreous   
Vitreous   

Pleochroism
AbsentWalter Schumann   
Not Available   

Dispersion
None   
Not Available   

Transparency
Translucent, Opaque . May be translucent when backlit on the edges.   
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
0.007-0.010   
Not Available   

Clarity
Translucent   
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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Aventurine Vs Gahnite Fracture

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

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Aventurine Vs Gahnite Luster

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

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