Nepheline Vs Dolomite
Origin
Canada
Spain, Southern and central Africa
Color
White, Reddish, gray, Brown, Brownish
White, White, gray, Reddish, Brownish, gray
For which Rashi?
Not Available
Not Available
Planet
Not Available
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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
Poorly soluble in dilute HCl
Durability
Not Available
Not Available
Specific Gravity
2.55-2.65
2.80-2.95
Fracture
Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle, Conchoidal
Cleavage
[1010] Poor
Perfect on {10 1 1}, rhombohedral cleavage
Chemical Composition
Na 3(Na,K)Al 4Si 4O 16Ulrich Henn and Claudio C.
CaMg(CO 3) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Vitreous, Greasy
Vitreous, Pearly
Pleochroism
Not Available
NilArthur Thomas
Dispersion
Not Available
Not Available
Transparency
Transparent, Translucent
Transparent, Translucent
Refractive Index
1.529-1.547
1.498-1.681
Optic Character
Not Available
Not Available
Crystal System
Hexagonal
Trigonal
Birefringence
0.003-0.004
0.179-0.181
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 Dolomite Fracture
Fracture is an important parameter when you compare Nepheline and Dolomite Physical Properties. It is necessary to understand the significance of these properties, before you compare Nepheline Vs Dolomite 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. Dolomite fracture is Brittle, Conchoidal, Conchoidal, ConchoidalArthur Thomas and Gemstones (2009).
Nepheline Vs Dolomite Luster
A primary knowledge about Nepheline vs Dolomite 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. Dolomite, on other hand, exhibits Pearly and Vitreous luster.