Simpsonite Vs Tantalite
Origin
Australia
Australia, Brazil, Canada, Colombia, Madagascar, Zimbabwe
Color
Colorless, White, Brownish, Yellow, Brown
Brown
Streak
White
Brownish, Red, Black
For which Rashi?
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Planet
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Element of Planets
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Energy
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Finger
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Ring Metal
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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
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Specific Gravity
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5.2
Fracture
ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal
Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009)
Cleavage
None
Good in one direction
Mohs Hardness
7-7.5
6-6.5
Chemical Composition
Al 4(Ta,Nb) 3(O,OH,F) 14Ulrich Henn and Claudio C.
(Fe,Mn)Ta 2O 6Walter Schumann , Gemstones of the world (2001) More from other references
Luster
Adamantine
Resinous
Pleochroism
NilArthur Thomas
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Dispersion
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Transparency
Gemmological Tables (2004) More from other references
TransparentWalter Schumann, Gemstones of the world (2001) More from other references
Refractive Index
1.994-2.040
2.190-2.457
Optic Character
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Crystal System
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Orthorhombic
Birefringence
0.046
0.083
Clarity
Gemmological Tables (2004) More from other references
TransparentWalter Schumann
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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Simpsonite Vs Tantalite Fracture
Fracture is an important parameter when you compare Simpsonite and Tantalite Physical Properties. It is necessary to understand the significance of these properties, before you compare Simpsonite Vs Tantalite 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 Simpsonite is ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle and Conchoidal. Tantalite fracture is Subconchoidal, ConchoidalArthur Thomas and Gemstones (2009).
Simpsonite Vs Tantalite Luster
A primary knowledge about Simpsonite vs Tantalite 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. Simpsonite exhibits Adamantine luster. Tantalite, on other hand, exhibits Resinous luster.