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Franklinite Vs Blue John


Blue John Vs Franklinite


Astrology

Origin
USA   
Not Available   

Color
Brown, Red, Black, Brownish   
White, Colorless, Blue, Red, Green, Yellow, Violet   

Streak
Reddish, Brown, Reddish, Brown   
Not Available   

For which Rashi?
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Planet
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Element of Planets
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How to Wear?
  
  

Finger
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Ring Metal
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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
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Solubility
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Durability
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Specific Gravity
5.05-5.22   
3.00-3.25   

Fracture
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001)   
Not Available   

Cleavage
None   
Not Available   

Mohs Hardness
5.5-6   
Not Available   

Chemical Composition
(Zn,Mn2+ ,Fe2+ )(Fe3+ ,Mn3+ ) 2O 4Anthony et al , Handbook of mineralogy (2001)   
CaF 2Michael O’Donoghue , Gems, Sixth Edition (2006)   

Optical Properties

Luster
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Pleochroism
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Dispersion
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Transparency
Translucent   
Transparent   

Refractive Index
Not Available   
1.432-1.436   

Optic Character
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Crystal System
Isometric Hexoctahedral H-M Symbol (4/m 3 2/m) Space Group: F d3m   
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Birefringence
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Clarity
Translucent   
Transparent   

Benefits

Physical
  
  

Neurological
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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
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Healing
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Qualities Associated
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Franklinite Vs Blue John Fracture

Fracture is an important parameter when you compare Franklinite and Blue John Physical Properties. It is necessary to understand the significance of these properties, before you compare Franklinite Vs Blue John 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 Franklinite is ConchoidalAnthony et al, Handbook of mineralogy (2001), Uneven and Uneven.

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Franklinite Vs Blue John Luster

A primary knowledge about Franklinite vs Blue John 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.

Red Gemstones

Red Gemstones


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