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Prehnite Vs Ammolite


Ammolite Vs Prehnite


Astrology

Origin
Australia, Southern and central Africa, green, brown, Australia, France, green, brown, Australia, France   
Canada, USA   

Color
Green, Colorless, gray, Yellow, White   
Yellow, Green, Blue   

Streak
Colorless   
Not Available   

For which Rashi?
Libra   
Capricorn   

Planet
Venus   
Jupiter   

Element of Planets
Earth   
Earth, Air, Water   

How to Wear?
  
  

Finger
Not Available   
Not Available   

Ring Metal
Not Available   
Not Available   

Energy
Receptive   
Receptive   

Deities
Freya   
Ammon   

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
2.80-2.95   
2.75-2.80   

Fracture
Uneven, Yellow, White, UnevenWalter Schumann, Gemstones of the world (2001) More from other references, Brittle, Metallic   
Uneven, Granular   

Cleavage
Distinct on [001]   
no true cleavage   

Mohs Hardness
6-6.5   
4   

Chemical Composition
Ca2Al2Si3O12(OH)   
Not Available   

Optical Properties

Luster
Vitreous   
Silky, Vitreous   

Pleochroism
AbsentWalter Schumann   
None   

Dispersion
None   
Not Available   

Transparency
Translucent   
Not Available   

Refractive Index
1.611-1.673   
1.520-1.670   

Optic Character
Not Available   
Not Available   

Crystal System
Orthorhombic   
Trigonal   

Birefringence
0.021-0.033   
0.135-0.145   

Clarity
TranslucentHerve Nicolas Lazzarelli   
Not Available   

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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Prehnite Vs Ammolite Fracture

Fracture is an important parameter when you compare Prehnite and Ammolite Physical Properties. It is necessary to understand the significance of these properties, before you compare Prehnite Vs Ammolite 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 Prehnite is Brittle, Gemstones of the world (2001) More from other references, Metallic, Uneven, UnevenWalter Schumann, White and Yellow. Ammolite fracture is Granular and Uneven.

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Prehnite Vs Ammolite Luster

A primary knowledge about Prehnite vs Ammolite 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. Prehnite exhibits Vitreous luster. Ammolite, on other hand, exhibits Silky and Vitreous luster.

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