Tantalite Vs Demantoid
Origin
Australia, Brazil, Canada, Colombia, Madagascar, Zimbabwe
Italy
Streak
Brownish, Red, Black
Not Available
For which Rashi?
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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
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Solubility
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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
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.
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
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 ConchoidalArthur Thomas, Gemstones (2009) and Subconchoidal.
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.