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Prehnite Vs Rock Crystal


Rock Crystal Vs Prehnite


Astrology

Origin
Australia, Southern and central Africa, green, brown, Australia, France, green, brown, Australia, France   
Sri Lanka   

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

Streak
Colorless   
Not Available   

For which Rashi?
Libra   
Not Available   

Planet
Venus   
Not Available   

Element of Planets
Earth   
Not Available   

How to Wear?
  
  

Finger
Not Available   
Not Available   

Ring Metal
Not Available   
Not Available   

Energy
Receptive   
Not Available   

Deities
Freya   
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
Brittle   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
2.80-2.95   
2.65   

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

Cleavage
Distinct on [001]   
Not Available   

Mohs Hardness
6-6.5   
7   

Chemical Composition
Ca2Al2Si3O12(OH)   
SiO 2Walter Schumann , Gemstones of the world (2001)   

Optical Properties

Luster
Vitreous   
Not Available   

Pleochroism
AbsentWalter Schumann   
AbsentWalter Schumann   

Dispersion
None   
0.01   
27

Transparency
Translucent   
TransparentWalter Schumann, Gemstones of the world (2001) More from other references   

Refractive Index
1.611-1.673   
1.544-1.553   

Optic Character
Not Available   
Not Available   

Crystal System
Orthorhombic   
Not Available   

Birefringence
0.021-0.033   
0.009   

Clarity
TranslucentHerve Nicolas Lazzarelli   
TransparentWalter Schumann   

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 Rock Crystal Fracture

Fracture is an important parameter when you compare Prehnite and Rock Crystal Physical Properties. It is necessary to understand the significance of these properties, before you compare Prehnite Vs Rock Crystal 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. Rock Crystal fracture is ConchoidalWalter Schumann, ConchoidalWalter Schumann, Gemstones of the world (2001) and Gemstones of the world (2001).

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Prehnite Vs Rock Crystal Luster

A primary knowledge about Prehnite vs Rock Crystal 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.

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