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Sillimanite Vs Linarite


Linarite Vs Sillimanite


Astrology

Origin
USA, Madagascar, India, Sri Lanka, Burma, Australia, Italy, Brazil   
Linarite, from La Carolina District, Linares, Jaén, Andalusia, Spain, the type locality . Picture width 1.5 mm   

Color
Blue, Green, Brownish, Greenish, Colorless, gray   
Blue   

Streak
White   
Blue   

For which Rashi?
Not Available   
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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
Tough   
Not Available   

Solubility
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Durability
Not Available   
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Specific Gravity
3.20-3.26   
5.35   

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

Cleavage
{010} perfect   
Perfect on {100}, imperfect on {001}   

Mohs Hardness
6-7.5   
2.5   

Chemical Composition
Al 2SiO 5Michael O’Donoghue , Gems, Sixth Edition (2006)   
PbCu(SO 4)(OH) 2Michael O’Donoghue , Gems, Sixth Edition (2006)   

Optical Properties

Luster
Vitreous, Subadamantine, Silky   
Sub-Adamantine, Vitreous   

Pleochroism
Colourless to pale brown to yellow   
X = pale blue; Y = blue; Z = Prussian blue   

Dispersion
Not Available   
Not Available   

Transparency
Transparent, Translucent   
Transparent   

Refractive Index
1.653-1.685   
1.809-1.859   

Optic Character
Not Available   
Not Available   

Crystal System
Orthorhombic   
monoclinic   

Birefringence
0.020-0.022   
0.050   

Clarity
Transparent   
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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Sillimanite Vs Linarite Fracture

Fracture is an important parameter when you compare Sillimanite and Linarite Physical Properties. It is necessary to understand the significance of these properties, before you compare Sillimanite Vs Linarite 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 Sillimanite is Splintery. Linarite fracture is Brittle, Conchoidal, ConchoidalAnthony et al and Handbook of mineralogy (2001).

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Sillimanite Vs Linarite Luster

A primary knowledge about Sillimanite vs Linarite 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. Sillimanite exhibits Silky, Subadamantine and Vitreous luster. Linarite, on other hand, exhibits Sub-Adamantine and Vitreous luster.

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