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Gemstones


Iolite Vs Petoskey Stone


Petoskey Stone Vs Iolite


Astrology

Origin
Brazil, USA, Canada, Madagascar, Sri Lanka, India, Burma   
Canada   

Color
Blue, Violet, Blue, Yellow, Grey   
Brown   

Streak
Not Available   
Not Available   

For which Rashi?
Libra, Sagittarius, Taurus, Libra, Sagittarius, Taurus, Libra, Sagittarius, Taurus   
Sagittarius   

Planet
Jupiter   
Not Available   

Element of Planets
Water   
Water, Earth   

How to Wear?
  
  

Finger
Not Available   
Not Available   

Ring Metal
Not Available   
Not Available   

Energy
Receptive   
Receptive   

Deities
Goddess   
Gaia   

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   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
2.6-2.7   
Not Available   

Fracture
Not Available   
Not Available   

Cleavage
3,1   
Not Available   

Mohs Hardness
7-7.5   
7   

Chemical Composition
Mg2Al4Si5O18   
Not Available   

Optical Properties

Luster
Vitreous   
Not Available   

Pleochroism
Not Available   
Not Available   

Dispersion
Not Available   
Not Available   

Transparency
Transparent, Translucent, Transparent to translucent   
Not Available   

Refractive Index
1.52-1.56   
Not Available   

Optic Character
Not Available   
Not Available   

Crystal System
Orthorhombic   
Trigonal   

Birefringence
Not Available   
Not Available   

Clarity
Transparent to translucent   
Not Available   

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 Petoskey Stone Fracture

Fracture is an important parameter when you compare Iolite and Petoskey Stone Physical Properties. It is necessary to understand the significance of these properties, before you compare Iolite Vs Petoskey Stone 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.

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Iolite Vs Petoskey Stone Luster

A primary knowledge about Iolite vs Petoskey Stone 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.

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