Nosean Vs Phenakite
Origin
Southern and central Africa
USA, Brazyl, Switzerland, Tanzania, Madagascar, Russia, Sri Lanka
Color
White, Blue, gray, Green, Brown
Colorless, Yellow, pink, Red
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
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Brittle
Solubility
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Durability
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Specific Gravity
2.30-2.40
2.90-2.98
Fracture
Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle
Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001), Brittle
Cleavage
{110} Perfect
Distinct on {11 2 0}, imperfect on {10 1 1}
Mohs Hardness
Not Available
7.5-8
Chemical Composition
Na 8Al 6Si 6O 24(SO 4) · H 2OAnthony et al , Handbook of Mineralogy (2001)
Be 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
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Vitreous
Pleochroism
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Distinct: colorless orangy-yellowHerve Nicolas Lazzarelli
Transparency
Transparent
Gemmological Tables (2004) More from other references
Refractive Index
Not Available
1.650-1.695
Optic Character
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Crystal System
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Trigonal
Birefringence
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0.016
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 Phenakite Fracture
Fracture is an important parameter when you compare Nosean and Phenakite Physical Properties. It is necessary to understand the significance of these properties, before you compare Nosean Vs Phenakite 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 Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal and Brittle. Phenakite fracture is Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001) and Brittle.
Nosean Vs Phenakite Luster
A primary knowledge about Nosean vs Phenakite 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. Phenakite, on other hand, exhibits Vitreous luster.