Nosean Vs Poudretteite
Origin
Southern and central Africa
Canada, Southern and central Africa
Color
White, Blue, gray, Green, Brown
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
2.30-2.40
2.51-2.53
Fracture
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle
Conchoidal, Splintery
Cleavage
{110} Perfect
None
Mohs Hardness
Not Available
5
Chemical Composition
Na 8Al 6Si 6O 24(SO 4) · H 2OAnthony et al , Handbook of Mineralogy (2001)
KNa 2B 3Si 12O 30Michael OâDonoghue , Gems, Sixth Edition (2006)
Luster
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Vitreous
Pleochroism
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Colorless
Dispersion
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Transparency
Transparent
Gemmological Tables (2004) More from other references
Refractive Index
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1.511-1.532
Optic Character
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Crystal System
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Hexagonal
Birefringence
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0.021
Clarity
Transparent
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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Nosean Vs Poudretteite Fracture
Fracture is an important parameter when you compare Nosean and Poudretteite Physical Properties. It is necessary to understand the significance of these properties, before you compare Nosean 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 Nosean is Brittle, Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Uneven and Uneven. Poudretteite fracture is Conchoidal and Splintery.
Nosean Vs Poudretteite Luster
A primary knowledge about Nosean 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. Poudretteite, on other hand, exhibits Vitreous luster.