Tantalite Vs Blue John
Origin
Australia, Brazil, Canada, Colombia, Madagascar, Zimbabwe
Not Available
Color
Brown
White, Colorless, Blue, Red, Green, Yellow, Violet
Streak
Brownish, Red, Black
Not Available
For which Rashi?
Not Available
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Planet
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Element of Planets
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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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Planetary
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Talisman
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Tenacity
Not Available
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Solubility
Not Available
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Durability
Not Available
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Specific Gravity
5.2
3.00-3.25
Fracture
Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009)
Not Available
Cleavage
Good in one direction
Not Available
Mohs Hardness
6-6.5
Not Available
Chemical Composition
(Fe,Mn)Ta 2O 6Walter Schumann , Gemstones of the world (2001) More from other references
CaF 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Luster
Resinous
Not Available
Pleochroism
Not Available
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Dispersion
Not Available
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Transparency
TransparentWalter Schumann, Gemstones of the world (2001) More from other references
Transparent
Refractive Index
2.190-2.457
1.432-1.436
Optic Character
Not Available
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Crystal System
Orthorhombic
Not Available
Birefringence
0.083
Not Available
Clarity
TransparentWalter Schumann
Transparent
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 Blue John Fracture
Fracture is an important parameter when you compare Tantalite and Blue John Physical Properties. It is necessary to understand the significance of these properties, before you compare Tantalite Vs Blue John 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 ConchoidalArthur Thomas, Gemstones (2009) and Subconchoidal.
Tantalite Vs Blue John Luster
A primary knowledge about Tantalite vs Blue John 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.