Nosean Vs Proustite
Origin
Southern and central Africa
Southern and central Africa
Color
White, Blue, gray, Green, Brown
Black, Reddish, gray
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
5.51-5.64
Fracture
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle
Uneven, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Brittle
Cleavage
{110} Perfect
Distinct on {10 1 1}
Mohs Hardness
Not Available
2.5
Chemical Composition
Na 8Al 6Si 6O 24(SO 4) · H 2OAnthony et al , Handbook of Mineralogy (2001)
Ag 3AsS 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
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Adamantine
Pleochroism
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Moderate; cochineal-red to blood-red
Dispersion
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Transparency
Transparent
OpaqueUlrich Henn and Claudio C. Milisenda, Gemmological Tables (2004) Rarely transparentMore from other references
Refractive Index
Not Available
2.792-3.087
Optic Character
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Crystal System
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Trigonal
Birefringence
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0.295-0.296
Clarity
Transparent
OpaqueUlrich 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 Proustite Fracture
Fracture is an important parameter when you compare Nosean and Proustite Physical Properties. It is necessary to understand the significance of these properties, before you compare Nosean Vs Proustite 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. Proustite fracture is Brittle, ConchoidalArthur Thomas, Gemstones (2009), Uneven and Uneven.
Nosean Vs Proustite Luster
A primary knowledge about Nosean vs Proustite 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. Proustite, on other hand, exhibits Adamantine luster.