Vishnevite Vs Poudretteite
Origin
Not Available
Canada, Southern and central Africa
Color
Colorless, Blue, White, Yellow, gray
Violet, Colorless, pink
For which Rashi?
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Planet
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Element of Planets
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Finger
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Ring Metal
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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
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Brittle
Solubility
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Durability
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Specific Gravity
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2.51-2.53
Fracture
Brittle, Uneven
Conchoidal, Splintery
Chemical Composition
Not Available
KNa 2B 3Si 12O 30Michael OâDonoghue , Gems, Sixth Edition (2006)
Luster
Vitreous, Pearly
Vitreous
Pleochroism
Not Available
Colorless
Dispersion
Not Available
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Transparency
Not Available
Gemmological Tables (2004) More from other references
Refractive Index
1.490-1.507
1.511-1.532
Optic Character
Not Available
Not Available
Crystal System
Hexagonal
Hexagonal
Birefringence
0.002-0.012
0.021
Clarity
Not Available
TransparentUlrich Henn and Claudio C. Milisenda
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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Vishnevite Vs Poudretteite Fracture
Fracture is an important parameter when you compare Vishnevite and Poudretteite Physical Properties. It is necessary to understand the significance of these properties, before you compare Vishnevite Vs Poudretteite 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 Vishnevite is Brittle and Uneven. Poudretteite fracture is Conchoidal and Splintery.
Vishnevite Vs Poudretteite Luster
A primary knowledge about Vishnevite vs Poudretteite 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. Vishnevite exhibits Pearly and Vitreous luster. Poudretteite, on other hand, exhibits Vitreous luster.