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Iolite Vs Pollucite


Pollucite Vs Iolite


Astrology

Origin
Brazil, USA, Canada, Madagascar, Sri Lanka, India, Burma   
Afghanistan, Southern and central Africa   

Color
Blue, Violet, Blue, Yellow, Grey   
Grey, White, Colorless, gray, Pale pink, Blue   

Streak
Not Available   
White   

For which Rashi?
Libra, Sagittarius, Taurus, Libra, Sagittarius, Taurus, Libra, Sagittarius, Taurus   
Not Available   

Planet
Jupiter   
Not Available   

Element of Planets
Water   
Not Available   

How to Wear?
  
  

Finger
Not Available   
Not Available   

Ring Metal
Not Available   
Not Available   

Energy
Receptive   
Not Available   

Deities
Goddess   
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
Not Available   
Brittle   

Solubility
Not Available   
Readily soluble in HF   

Durability
Not Available   
Not Available   

Specific Gravity
2.6-2.7   
2.86-2.94   

Fracture
Not Available   
Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Brittle   

Cleavage
3,1   
None observed   

Mohs Hardness
7-7.5   
6.5-7   

Chemical Composition
Mg2Al4Si5O18   
(Cs,Na)(AlSi 2O 6) · 0.5H 2OWalter Schumann , Gemstones of the world (2001) More from other references   

Optical Properties

Luster
Vitreous   
Vitreous, Greasy   

Pleochroism
Not Available   
Not Available   

Dispersion
Not Available   
0.01   
26

Transparency
Transparent, Translucent, Transparent to translucent   
Transparent, Translucent   

Refractive Index
1.52-1.56   
1.517-1.525   

Optic Character
Not Available   
Not Available   

Crystal System
Orthorhombic   
Isometric   

Birefringence
Not Available   
Not Available   

Clarity
Transparent to translucent   
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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Iolite Vs Pollucite Fracture

Fracture is an important parameter when you compare Iolite and Pollucite Physical Properties. It is necessary to understand the significance of these properties, before you compare Iolite Vs Pollucite 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. Pollucite fracture is Brittle, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009) and Uneven.

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Iolite Vs Pollucite Luster

A primary knowledge about Iolite vs Pollucite 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. Iolite exhibits Vitreous luster. Pollucite, on other hand, exhibits Greasy and Vitreous luster.

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