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Franklinite Vs Poudretteite


Poudretteite Vs Franklinite


Astrology

Origin
USA   
Canada, Southern and central Africa   

Color
Brown, Red, Black, Brownish   
Violet, Colorless, pink   

Streak
Reddish, Brown, Reddish, Brown   
White   

For which Rashi?
Not Available   
Not Available   

Planet
Not Available   
Not Available   

Element of Planets
Not Available   
Not Available   

How to Wear?
  
  

Finger
Not Available   
Not Available   

Ring Metal
Not Available   
Not Available   

Energy
Not Available   
Not Available   

Deities
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Not Available   

Not to wear with
Not Available   
Not Available   

Powers
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Not Available   

Birthstone
  
  

Planetary
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Not Available   

Talisman
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Physical Properties

Tenacity
Not Available   
Brittle   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
5.05-5.22   
2.51-2.53   

Fracture
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001)   
Conchoidal, Splintery   

Cleavage
None   
None   

Mohs Hardness
5.5-6   
5   

Chemical Composition
(Zn,Mn2+ ,Fe2+ )(Fe3+ ,Mn3+ ) 2O 4Anthony et al , Handbook of mineralogy (2001)   
KNa 2B 3Si 12O 30Michael O’Donoghue , Gems, Sixth Edition (2006)   

Optical Properties

Luster
Not Available   
Vitreous   

Pleochroism
Not Available   
Colorless   

Dispersion
Not Available   
Not Available   

Transparency
Translucent   
Gemmological Tables (2004) More from other references   

Refractive Index
Not Available   
1.511-1.532   

Optic Character
Not Available   
Not Available   

Crystal System
Isometric Hexoctahedral H-M Symbol (4/m 3 2/m) Space Group: F d3m   
Hexagonal   

Birefringence
Not Available   
0.021   

Clarity
Translucent   
TransparentUlrich 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
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Healing
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Qualities Associated
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Franklinite Vs Poudretteite Fracture

Fracture is an important parameter when you compare Franklinite and Poudretteite Physical Properties. It is necessary to understand the significance of these properties, before you compare Franklinite Vs Poudretteite 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. Poudretteite fracture is Conchoidal and Splintery.

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Franklinite Vs Poudretteite Luster

A primary knowledge about Franklinite vs Poudretteite 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. Poudretteite, on other hand, exhibits Vitreous luster.

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