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Almandine Vs Proustite


Proustite Vs Almandine


Astrology

Origin
Austria, Brazil, Canada, India, Madagascar, Russia, Sri Lanka, USA   
Southern and central Africa   

Color
Red, Brown, Brownish, Red, Red, Black, Brown, Brownish, Red, Red, Black, Brown, Brownish, Red, Red, Black   
Black, Reddish, gray   

Streak
White   
Black, Red   

For which Rashi?
Not Available   
Not Available   

Planet
Not Available   
Not Available   

Element of Planets
Not Available   
Not Available   

How to Wear?
  
  

Finger
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Not Available   

Ring Metal
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Not Available   

Energy
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Deities
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Not to wear with
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Powers
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Birthstone
  
  

Planetary
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Talisman
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Physical Properties

Tenacity
Not Available   
Brittle   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
3.95-4.30   
5.51-5.64   

Fracture
Conchoidal, Brittle, Conchoidal, Brittle, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle, Conchoidal   
Uneven, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Brittle   

Cleavage
none   
Distinct on {10 1 1}   

Mohs Hardness
7-7.5   
2.5   

Chemical Composition
Fe 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)   
Ag 3AsS 3Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references   

Optical Properties

Luster
Greasy, Vitreous   
Adamantine   

Pleochroism
None   
Moderate; cochineal-red to blood-red   

Dispersion
0.03   
15
Not Available   

Transparency
Gemmological Tables (2004) More from other references   
OpaqueUlrich Henn and Claudio C. Milisenda, Gemmological Tables (2004) Rarely transparentMore from other references   

Refractive Index
1.770-1.820   
2.792-3.087   

Optic Character
Not Available   
Not Available   

Crystal System
cubic   
Trigonal   

Birefringence
Not Available   
0.295-0.296   

Clarity
TransparentUlrich Henn and Claudio C. Milisenda   
OpaqueUlrich Henn and Claudio C. Milisenda   

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
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Almandine Vs Proustite Fracture

Fracture is an important parameter when you compare Almandine and Proustite Physical Properties. It is necessary to understand the significance of these properties, before you compare Almandine Vs Proustite 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 Almandine is Brittle, Brittle, Brittle, Conchoidal, Conchoidal, Conchoidal, Conchoidal, ConchoidalArthur Thomas and Gemstones (2009). Proustite fracture is Brittle, ConchoidalArthur Thomas, Gemstones (2009), Uneven and Uneven.

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Almandine Vs Proustite Luster

A primary knowledge about Almandine vs Proustite 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. Almandine exhibits Greasy and Vitreous luster. Proustite, on other hand, exhibits Adamantine luster.

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