Nepheline Vs Natrolite
Origin
Canada
Russia, Columbia
Color
White, Reddish, gray, Brown, Brownish
White, White, Colorless, Red, Reddish
For which Rashi?
Not Available
Not Available
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
Brittle
Solubility
Not Available
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Durability
Not Available
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Specific Gravity
2.55-2.65
2.20-2.26
Fracture
Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle
Uneven, Brittle, Metallic, Gemstones (2009)
Cleavage
[1010] Poor
Perfect on {110}
Chemical Composition
Na 3(Na,K)Al 4Si 4O 16Ulrich Henn and Claudio C.
Na 2[Al 2Si 3O 10] · 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Vitreous, Greasy
Vitreous, Silky, Pearly
Pleochroism
Not Available
NilArthur Thomas
Dispersion
Not Available
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Transparency
Transparent, Translucent
Transparent, Translucent
Refractive Index
1.529-1.547
1.478-1.493
Optic Character
Not Available
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Crystal System
Hexagonal
Orthorhombic
Birefringence
0.003-0.004
0.012-0.013
Clarity
Transparent
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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Nepheline Vs Natrolite Fracture
Fracture is an important parameter when you compare Nepheline and Natrolite Physical Properties. It is necessary to understand the significance of these properties, before you compare Nepheline Vs Natrolite 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. Natrolite fracture is Brittle, Gemstones (2009), Metallic and Uneven.
Nepheline Vs Natrolite Luster
A primary knowledge about Nepheline vs Natrolite 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. Natrolite, on other hand, exhibits Pearly, Silky and Vitreous luster.