Narsarsukite Vs Blue John
Origin
Canada
Not Available
Color
Yellow, Reddish, Brown, Brownish, Green, gray, Colorless
White, Colorless, Blue, Red, Green, Yellow, Violet
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
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Talisman
Not Available
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Tenacity
Brittle
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Solubility
Not Available
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Durability
Not Available
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Specific Gravity
2.72-2.83
3.00-3.25
Fracture
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle
Not Available
Cleavage
Good on {100} and {110}
Not Available
Mohs Hardness
6-7
Not Available
Chemical Composition
Na 2(Ti,Fe)Si 4(O,F) 11Ulrich Henn and Claudio C.
CaF 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Luster
Vitreous, Pearly
Not Available
Pleochroism
Weak; O = colorless to yellow; E = colorless to honey-yellow
Not Available
Dispersion
Not Available
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Transparency
Transparent, Translucent
Transparent
Refractive Index
1.610-1.647
1.432-1.436
Optic Character
Not Available
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Crystal System
tetragonal
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Birefringence
0.021
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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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Narsarsukite Vs Blue John Fracture
Fracture is an important parameter when you compare Narsarsukite and Blue John Physical Properties. It is necessary to understand the significance of these properties, before you compare Narsarsukite Vs Blue John 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 Narsarsukite is Brittle, ConchoidalAnthony et al, Handbook of mineralogy (2001), Uneven and Uneven.
Narsarsukite Vs Blue John Luster
A primary knowledge about Narsarsukite vs Blue John 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. Narsarsukite exhibits Pearly and Vitreous luster.