Nepheline Vs Scheelite
Origin
Canada
Switzerland, Australia, Brazil
Color
White, Reddish, gray, Brown, Brownish
Yellow, Colorless, White, Brownish, Reddish
For which Rashi?
Not Available
Not Available
Planet
Not Available
Not Available
Element of Planets
Not Available
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Finger
Not Available
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Ring Metal
Not Available
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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
Brittle
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
2.55-2.65
5.9-6.3
Fracture
Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle
Conchoidal, Conchoidal, Gemstones of the world (2001) More from other references, Uneven
Cleavage
[1010] Poor
On {101}, distinct; on {112}, interrupted; on {001}, indistinct
Chemical Composition
Na 3(Na,K)Al 4Si 4O 16Ulrich Henn and Claudio C.
CaWO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Vitreous, Greasy
Vitreous, Adamantine
Pleochroism
Not Available
Definite dichoric in yellow (yellow to orange-brown)
Transparency
Transparent, Translucent
Translucent, Transparent
Refractive Index
1.529-1.547
1.918-1.936
Optic Character
Not Available
Not Available
Crystal System
Hexagonal
tetragonal
Birefringence
0.003-0.004
0.016
Clarity
Transparent
Translucent
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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Nepheline Vs Scheelite Fracture
Fracture is an important parameter when you compare Nepheline and Scheelite Physical Properties. It is necessary to understand the significance of these properties, before you compare Nepheline Vs Scheelite 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 Nepheline is Brittle, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009) and Subconchoidal. Scheelite fracture is Conchoidal, Conchoidal, Gemstones of the world (2001) More from other references and Uneven.
Nepheline Vs Scheelite Luster
A primary knowledge about Nepheline vs Scheelite 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. Nepheline exhibits Greasy and Vitreous luster. Scheelite, on other hand, exhibits Adamantine and Vitreous luster.