Povondraite Vs Nepheline
Origin
Not Available
Canada
Color
Brownish, Black
White, Reddish, gray, Brown, Brownish
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
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Solubility
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Durability
Not Available
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Specific Gravity
3.26
2.55-2.65
Fracture
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001)
Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle
Cleavage
None
[1010] Poor
Mohs Hardness
Not Available
5-6
Chemical Composition
NaFe3+3Fe3+6(BO 3) 3Si 6O 18(O,OH) 4Anthony et al , Handbook of Mineralogy (2001)
Na 3(Na,K)Al 4Si 4O 16Ulrich Henn and Claudio C.
Luster
Resinous
Vitreous, Greasy
Pleochroism
Strong: yellow-brown
Not Available
Dispersion
Not Available
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Transparency
Translucent
Transparent, Translucent
Refractive Index
Not Available
1.529-1.547
Optic Character
Not Available
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Crystal System
Not Available
Hexagonal
Birefringence
Not Available
0.003-0.004
Clarity
Translucent
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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Povondraite Vs Nepheline Fracture
Fracture is an important parameter when you compare Povondraite and Nepheline Physical Properties. It is necessary to understand the significance of these properties, before you compare Povondraite Vs Nepheline 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 Povondraite is ConchoidalAnthony et al, Handbook of mineralogy (2001), Uneven and Uneven. Nepheline fracture is Brittle, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009) and Subconchoidal.
Povondraite Vs Nepheline Luster
A primary knowledge about Povondraite vs Nepheline 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. Povondraite exhibits Resinous luster. Nepheline, on other hand, exhibits Greasy and Vitreous luster.