Nepheline Vs Caledonite
Color
White, Reddish, gray, Brown, Brownish
Blue, Green
Streak
White
Blue, Greenish, White
For which Rashi?
Not Available
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Planet
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Element of Planets
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Energy
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Finger
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Ring Metal
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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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Brittle
Solubility
Not Available
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Durability
Not Available
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Specific Gravity
2.55-2.65
5.6-5.76
Fracture
Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle
Uneven, UnevenAnthony et al, Handbook of mineralogy (2001)
Cleavage
[1010] Poor
[001] perfect; [100] distinct
Chemical Composition
Na 3(Na,K)Al 4Si 4O 16Ulrich Henn and Claudio C.
Pb 5Cu 2(SO 4) 3(CO 3)(OH) 6Anthony et al , Handbook of mineralogy (2001)
Luster
Vitreous, Greasy
Vitreous
Pleochroism
Not Available
Weak
Dispersion
Not Available
Not Available
Transparency
Transparent, Translucent
Transparent
Refractive Index
1.529-1.547
1.818-1.909
Optic Character
Not Available
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Crystal System
Hexagonal
Orthorhombic
Birefringence
0.003-0.004
0.091
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 Caledonite Fracture
Fracture is an important parameter when you compare Nepheline and Caledonite Physical Properties. It is necessary to understand the significance of these properties, before you compare Nepheline Vs Caledonite 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 Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal and Brittle. Caledonite fracture is Uneven, UnevenAnthony et al and Handbook of mineralogy (2001).
Nepheline Vs Caledonite Luster
A primary knowledge about Nepheline vs Caledonite 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 Vitreous and Greasy luster. Caledonite, on other hand, exhibits Vitreous luster.