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Gahnite Vs Spodumene


Spodumene Vs Gahnite


Astrology

Origin
Australia  
Afghanistan, Australia, Brazil, Madagascar, Pakistan, Canada  

Color
Blue, Green, Greenish, Black  
Green, White  

Streak
Grey, gray  
White  

For which Rashi?
Not Available  
Not Available  

Planet
Not Available  
Not Available  

Element of Planets
Not Available  
Not Available  

Energy
Not Available  
Not Available  

How to Wear?
  
  

Finger
Not Available  
Not Available  

Ring Metal
Not Available  
Not Available  

Deities
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Not Available  

Not to wear with
Not Available  
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Powers
Not Available  
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Birthstone
  
  

Planetary
Not Available  
Not Available  

Talisman
Not Available  
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Physical Properties

Tenacity
Not Available  
Brittle  

Solubility
Not Available  
insoluble  

Durability
Not Available  
Not Available  

Specific Gravity
4.00-4.62  
3.15-3.21  

Fracture
Conchoidal, Uneven  
Uneven, Subconchoidal, Gemstones (2009)  

Cleavage
Indistinct parting on [111]  
Perfect prismatic, two directions {110} ∧ {1 1 0} at 87°  

Mohs Hardness
7.5-8  
6-7  

Chemical Composition
ZnAl 2O 4Michael O’Donoghue , Gems, Sixth Edition (2006)  
LiAlSi2O6  

Optical Properties

Luster
Vitreous  
Vitreous  

Pleochroism
Not Available  
Strong in kunzite: α-purple  

Dispersion
Not Available  
0.02  
22

Transparency
Gemmological Tables (2004) More from other references  
Transparent  

Refractive Index
1.790-1.818  
1.657-1.681  

Optic Character
Not Available  
Not Available  

Crystal System
cubic  
monoclinic  

Birefringence
Not Available  
0.014-0.018  

Clarity
TransparentUlrich Henn and Claudio C. Milisenda  
Gems  

Benefits

Physical
  
  

Neurological
Not Available  
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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
Not Available  
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Healing
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Qualities Associated
Not Available  
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Gahnite Vs Spodumene Fracture

Fracture is an important parameter when you compare Gahnite and Spodumene Physical Properties. It is necessary to understand the significance of these properties, before you compare Gahnite Vs Spodumene 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 Gahnite is Conchoidal and Uneven. Spodumene fracture is Uneven, Subconchoidal and Gemstones (2009).

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Gahnite Vs Spodumene Luster

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

Blue Gemstones

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