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Prehnite Vs Hurlbutite


Hurlbutite Vs Prehnite


Astrology

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

Color
Green, Colorless, gray, Yellow, White   
Colorless, Greenish, White, Yellow   

Streak
Colorless   
White   

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   
2.90   

Fracture
Uneven, Yellow, White, UnevenWalter Schumann, Gemstones of the world (2001) More from other references, Brittle, Metallic   
ConchoidalAnthony et al, Handbook of mineralogy (2001), ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal   

Cleavage
Distinct on [001]   
None   

Mohs Hardness
6-6.5   
6   

Chemical Composition
Ca2Al2Si3O12(OH)   
CaBe 2(PO 4) 2Michael O’Donoghue , Gems, Sixth Edition (2006)   

Optical Properties

Luster
Vitreous   
Vitreous   

Pleochroism
AbsentWalter Schumann   
Not Available   

Dispersion
None   
Not Available   

Transparency
Translucent   
Transparent   

Refractive Index
1.611-1.673   
1.595-1.604   

Optic Character
Not Available   
Not Available   

Crystal System
Orthorhombic   
Monoclinic Prismatic H-M Symbol (2/m) Space Group: P 21/a   

Birefringence
0.021-0.033   
0.009   

Clarity
TranslucentHerve Nicolas Lazzarelli   
Transparent   

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 Hurlbutite Fracture

Fracture is an important parameter when you compare Prehnite and Hurlbutite Physical Properties. It is necessary to understand the significance of these properties, before you compare Prehnite Vs Hurlbutite 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. Hurlbutite fracture is Brittle, Conchoidal, ConchoidalAnthony et al, ConchoidalAnthony et al, Handbook of mineralogy (2001) and Handbook of mineralogy (2001).

Compare Gems for Libra

Prehnite Vs Hurlbutite Luster

A primary knowledge about Prehnite vs Hurlbutite 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. Hurlbutite, on other hand, exhibits Vitreous luster.

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