Nepheline Vs Milk Opal
Origin
Canada
Not Available
Color
White, Reddish, gray, Brown, Brownish
White
Streak
White
Not Available
For which Rashi?
Not Available
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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
Not Available
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Talisman
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Tenacity
Not Available
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Solubility
Not Available
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Durability
Not Available
Not Available
Specific Gravity
2.55-2.65
1.98-2.50
Fracture
Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle
Conchoidal
Cleavage
[1010] Poor
Not Available
Mohs Hardness
5-6
5.5-6.5
Chemical Composition
Na 3(Na,K)Al 4Si 4O 16Ulrich Henn and Claudio C.
Not Available
Luster
Vitreous, Greasy
Not Available
Pleochroism
Not Available
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Dispersion
Not Available
Not Available
Transparency
Transparent, Translucent
Translucent
Refractive Index
1.529-1.547
1.37-1.52
Optic Character
Not Available
Not Available
Crystal System
Hexagonal
Not Available
Birefringence
0.003-0.004
Not Available
Clarity
Transparent
Not Available
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 Milk Opal Fracture
Fracture is an important parameter when you compare Nepheline and Milk Opal Physical Properties. It is necessary to understand the significance of these properties, before you compare Nepheline Vs Milk Opal 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. Milk Opal fracture is Conchoidal.
Nepheline Vs Milk Opal Luster
A primary knowledge about Nepheline vs Milk Opal 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.