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Kutnohorite Vs Sillimanite


Sillimanite Vs Kutnohorite


Astrology

Origin
Not Available  
USA, Madagascar, India, Sri Lanka, Burma, Australia, Italy, Brazil  

Color
White, Pale pink, Brown, Yellow, pink  
Blue, Green, Brownish, Greenish, Colorless, gray  

Streak
White, Pale pink  
White  

For which Rashi?
Not Available  
Not Available  

Planet
Not Available  
Not Available  

Element of Planets
Not Available  
Not Available  

Energy
Not Available  
Not Available  

How to Wear?
  
  

Finger
Not Available  
Not Available  

Ring Metal
Not Available  
Not Available  

Deities
Not Available  
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
Brittle  
Tough  

Solubility
Soluble  
Not Available  

Durability
Not Available  
Not Available  

Specific Gravity
3.12  
3.20-3.26  

Fracture
Subconchoidal, Brittle, Conchoidal  
Splintery  

Cleavage
Perfect on {10 1 1}  
{010} perfect  

Mohs Hardness
3-4  
6-7.5  

Chemical Composition
Not Available  
Al 2SiO 5Michael O’Donoghue , Gems, Sixth Edition (2006)  

Optical Properties

Luster
Vitreous  
Vitreous, Subadamantine, Silky  

Pleochroism
Not Available  
Colourless to pale brown to yellow  

Dispersion
Not Available  
Not Available  

Transparency
Not Available  
Transparent, Translucent  

Refractive Index
1.727  
1.653-1.685  

Optic Character
Not Available  
Not Available  

Crystal System
Trigonal  
Orthorhombic  

Birefringence
Not Available  
0.020-0.022  

Clarity
Not Available  
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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Kutnohorite Vs Sillimanite Fracture

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

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Kutnohorite Vs Sillimanite Luster

A primary knowledge about Kutnohorite vs Sillimanite 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. Kutnohorite exhibits Vitreous luster. Sillimanite, on other hand, exhibits Vitreous, Subadamantine and Silky luster.

Brown Gemstones

Brown Gemstones


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