Nepheline Vs Brucite
Color
White, Reddish, gray, Brown, Brownish
White, Green, Blue, Yellow, Brownish, Red, Blue, gray, Yellow, White
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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Sectile
Solubility
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Durability
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Specific Gravity
2.55-2.65
2.39
Fracture
Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle
Irregular
Cleavage
[1010] Poor
Perfect on {0001}
Chemical Composition
Na 3(Na,K)Al 4Si 4O 16Ulrich Henn and Claudio C.
Mg(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Luster
Vitreous, Greasy
Vitreous, Pearly
Pleochroism
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Dispersion
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Transparency
Transparent, Translucent
TransparentMichael OâDonoghue, Gems, Sixth Edition (2006)
Refractive Index
1.529-1.547
1.56-1.60
Optic Character
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Crystal System
Hexagonal
Trigonal
Birefringence
0.003-0.004
0.010-0.020
Clarity
Transparent
TransparentMichael OâDonoghue
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 Brucite Fracture
Fracture is an important parameter when you compare Nepheline and Brucite Physical Properties. It is necessary to understand the significance of these properties, before you compare Nepheline Vs Brucite 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. Brucite fracture is Irregular.
Nepheline Vs Brucite Luster
A primary knowledge about Nepheline vs Brucite 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. Brucite, on other hand, exhibits Pearly and Vitreous luster.