Poldervaartite Vs Powellite
Origin
Southern and central Africa
India
Color
Colorless, White
Yellow, Greenish, Blue, Brown, Green, 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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Solubility
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Durability
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Specific Gravity
2.91
4.23
Fracture
Handbook of mineralogy (2001)
UnevenAnthony et al, Handbook of mineralogy (2001), UnevenAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal
Cleavage
None
{111} Distinct
Mohs Hardness
Not Available
3.5-4
Chemical Composition
(Ca,Mn2+ ) 2(SiO 3OH)(OH)Anthony et al , Handbook of Mineralogy (2001)
CaMoO 4Michael OâDonoghue , Gems, Sixth Edition (2006)
Luster
Vitreous
Greasy, Subadamantine
Pleochroism
Weak: colorless light gray bluish grayAnthony et al
In deeply colored specimens: blue greenAnthony et al
Dispersion
Not Available
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Transparency
Transparent
Transparent
Refractive Index
1.634-1.656
1.974-1.984
Optic Character
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Crystal System
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Birefringence
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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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Poldervaartite Vs Powellite Fracture
Fracture is an important parameter when you compare Poldervaartite and Powellite Physical Properties. It is necessary to understand the significance of these properties, before you compare Poldervaartite Vs Powellite 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 Poldervaartite is Handbook of mineralogy (2001). Powellite fracture is Brittle, Conchoidal, Handbook of mineralogy (2001), Handbook of mineralogy (2001), UnevenAnthony et al and UnevenAnthony et al.
Poldervaartite Vs Powellite Luster
A primary knowledge about Poldervaartite vs Powellite 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. Poldervaartite exhibits Vitreous luster. Powellite, on other hand, exhibits Greasy and Subadamantine luster.