Sylvite Vs Nephrite
Origin
Mexico, Canada
China, Canada
Color
Colorless, White, Blue, Red, Reddish, Brownish
Green, Yellow, Brown, White, gray, Black
Streak
White
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For which Rashi?
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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
Brittle
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Solubility
Soluble
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Durability
Not Available
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Specific Gravity
1.993
2.90-3.10
Fracture
Uneven, Brittle
Splintery, Granular, Gemstones (2009)
Cleavage
Perfect on [100], [010], [001]
Not Available
Chemical Composition
Not Available
Ca 2(Mg,Fe) 5(OH) 2Walter Schumann , Gemstones of the world (2001) More from other references
Luster
Vitreous
Vitreous, Greasy
Pleochroism
Visible in colored crystals
None
Dispersion
Not Available
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Transparency
Not Available
Translucent
Refractive Index
1.4903
1.600-1.627
Optic Character
Not Available
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Crystal System
Isometric
monoclinic
Birefringence
Not Available
0.027
Clarity
Not Available
Translucent
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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Sylvite Vs Nephrite Fracture
Fracture is an important parameter when you compare Sylvite and Nephrite Physical Properties. It is necessary to understand the significance of these properties, before you compare Sylvite Vs Nephrite 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 Sylvite is Uneven and Brittle. Nephrite fracture is Splintery, Granular and Gemstones (2009).
Sylvite Vs Nephrite Luster
A primary knowledge about Sylvite vs Nephrite 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. Sylvite exhibits Vitreous luster. Nephrite, on other hand, exhibits Vitreous and Greasy luster.