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Amblygonite Vs Gahnite


Gahnite Vs Amblygonite


Astrology

Origin
Ethiopia, Afghanistan, China, Australia, Color: light greenish blue, pale yellow or colorless. Hardness: 5.5 6, Refractive index: 1.58 1.61, Density: 3.04 3.11, Chemical composition: LiAl(PO4)F, Crystal structure: triclinic, Origins: Brazil (major source); also found in USA, Germany, France, UK, Finland, Norway, Sweden, Namibia, Zaire, Ethiopia, Afghanistan, China and Australia., Axinite is a collectors stone that is rarely used in jewelry.   
Australia   

Color
Brown, Green, White, Colorless, Yellow, Green, Blue, gray, Brown, pink, White, Yellow, gray, Greenish   
Blue, Green, Greenish, Black   

Streak
White   
Grey, gray   

For which Rashi?
Not Available   
Not Available   

Planet
Not Available   
Not Available   

Element of Planets
Not Available   
Not Available   

How to Wear?
  
  

Finger
Not Available   
Not Available   

Ring Metal
Not Available   
Not Available   

Energy
Not Available   
Not Available   

Deities
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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
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
2.98-3.10   
4.00-4.62   

Fracture
Sub-Conchoidal, Irregular/uneven, Sub-Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)   
Conchoidal, Uneven   

Cleavage
[100] Perfect, [110] Good, [011] Distinct   
Indistinct parting on [111]   

Mohs Hardness
6   
7.5-8   

Chemical Composition
(Li,Na)Al(PO 4)(F,OH)Michael O’Donoghue , Gems, Sixth edition (2006) More from other references   
ZnAl 2O 4Michael O’Donoghue , Gems, Sixth Edition (2006)   

Optical Properties

Luster
Vitreous, Pearly   
Vitreous   

Pleochroism
weak to none   
Not Available   

Dispersion
0.01   
26
Not Available   

Transparency
Gemmological Tables (2004) More from other references   
Gemmological Tables (2004) More from other references   

Refractive Index
1.578-1.646   
1.790-1.818   

Optic Character
Biaxial/+   
Not Available   

Crystal System
Triclinic   
cubic   

Birefringence
0.020-0.030   
Not Available   

Clarity
TransparentUlrich Henn and Claudio C. Milisenda   
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   
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Qualities Associated
Not Available   
Not Available   

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Amblygonite Vs Gahnite Fracture

Fracture is an important parameter when you compare Amblygonite and Gahnite Physical Properties. It is necessary to understand the significance of these properties, before you compare Amblygonite 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 Amblygonite is ConchoidalArthur Thomas, ConchoidalArthur Thomas, Gemstones (2009), Gemstones (2009), Irregular/uneven, Sub-Conchoidal, Sub-Conchoidal and Uneven. Gahnite fracture is Conchoidal and Uneven.

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Amblygonite Vs Gahnite Luster

A primary knowledge about Amblygonite 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. Amblygonite exhibits Pearly and Vitreous luster. Gahnite, on other hand, exhibits Vitreous luster.

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