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Chrome Tourmaline Vs Petalite


Petalite Vs Chrome Tourmaline


Astrology

Origin
Not Available   
Canada, USA, Brazil, Italy, Mozambique, Zimbabwe, Russia, Burma, Australia   

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

Streak
Not Available   
Colorless   

For which Rashi?
Libra   
Not Available   

Planet
Venus, Mars   
Not Available   

Element of Planets
Earth   
Not Available   

How to Wear?
  
  

Finger
Not Available   
Not Available   

Ring Metal
Not Available   
Not Available   

Energy
Projective   
Not Available   

Deities
Venus, Mars   
Not Available   

Not to wear with
Not Available   
Not Available   

Powers
Love, Courage   
Not Available   

Birthstone
  
  

Planetary
Not Available   
Not Available   

Talisman
Not Available   
Not Available   

Physical Properties

Tenacity
Not Available   
Brittle   

Solubility
Not Available   
insoluble   

Durability
Not Available   
Not Available   

Specific Gravity
2.85-3.35   
2.40   

Fracture
ConchoidalArthur Thomas, Gemstones (2009)   
Subconchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Brittle, Conchoidal   

Cleavage
3,2   
Perfect on {001}, poor on {201} with 38.5° angle between the two   

Mohs Hardness
7-7.5   
6-6.5   

Chemical Composition
Tourmaline is a series of several different minerals with unique chemical formulas.   
LiAlSi 4O 10Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references   

Optical Properties

Luster
Vitreous   
Vitreous, Pearly   

Pleochroism
Not Available   
AbsentWalter Schumann   

Dispersion
Not Available   
0.01   
25

Transparency
Transparent, Translucent   
Gemmological Tables (2004) More from other references   

Refractive Index
1.614-1.666   
1.502-1.523   

Optic Character
Not Available   
Not Available   

Crystal System
Hexagonal   
monoclinic   

Birefringence
0.014-0.040   
0.012-0.016   

Clarity
Transparent   
TransparentUlrich Henn and Claudio C. Milisenda   

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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Chrome Tourmaline Vs Petalite Fracture

Fracture is an important parameter when you compare Chrome Tourmaline and Petalite Physical Properties. It is necessary to understand the significance of these properties, before you compare Chrome Tourmaline Vs Petalite 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 Chrome Tourmaline is ConchoidalArthur Thomas and Gemstones (2009). Petalite fracture is Brittle, Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references and Subconchoidal.

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Chrome Tourmaline Vs Petalite Luster

A primary knowledge about Chrome Tourmaline vs Petalite 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. Chrome Tourmaline exhibits Vitreous luster. Petalite, on other hand, exhibits Pearly and Vitreous luster.

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