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Tantalite Vs Demantoid


Demantoid Vs Tantalite


Astrology

Origin
Australia, Brazil, Canada, Colombia, Madagascar, Zimbabwe  
Italy  

Color
Brown  
Green  

Streak
Brownish, Red, Black  
Not Available  

For which Rashi?
Not Available  
Not Available  

Planet
Not Available  
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Element of Planets
Not Available  
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Energy
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How to Wear?
  
  

Finger
Not Available  
Not Available  

Ring Metal
Not Available  
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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
Not Available  
Not Available  

Solubility
Not Available  
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Durability
Not Available  
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Specific Gravity
5.2  
3.77-3.95  

Fracture
Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009)  
Not Available  

Cleavage
Good in one direction  
Not Available  

Mohs Hardness
6-6.5  
6.5  

Chemical Composition
(Fe,Mn)Ta 2O 6Walter Schumann , Gemstones of the world (2001) More from other references  
Ca 3Fe 2(SiO 4) 3Ulrich Henn and Claudio C.  

Optical Properties

Luster
Resinous  
Adamantine  

Pleochroism
Not Available  
None  

Dispersion
Not Available  
Not Available  

Transparency
TransparentWalter Schumann, Gemstones of the world (2001) More from other references  
Gemmological Tables (2004)  

Refractive Index
2.190-2.457  
1.880-1.890  

Optic Character
Not Available  
Not Available  

Crystal System
Orthorhombic  
cubic  

Birefringence
0.083  
Not Available  

Clarity
TransparentWalter Schumann  
TransparentUlrich Henn and Claudio C. Milisenda  

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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Tantalite Vs Demantoid Fracture

Fracture is an important parameter when you compare Tantalite and Demantoid Physical Properties. It is necessary to understand the significance of these properties, before you compare Tantalite Vs Demantoid 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 Tantalite is Subconchoidal, ConchoidalArthur Thomas and Gemstones (2009).

Compare Brown Gemstones

Tantalite Vs Demantoid Luster

A primary knowledge about Tantalite vs Demantoid 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. Tantalite exhibits Resinous luster. Demantoid, on other hand, exhibits Adamantine luster.

Brown Gemstones

Brown Gemstones


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