Diaspore Vs Powellite
Color
Colorless, White, Yellow, White, Greenish, gray, Brown, Colorless, Yellow
Yellow, Greenish, Blue, Brown, Green, gray
For which Rashi?
Not Available
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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
Very brittle
Not Available
Solubility
insoluble
Not Available
Durability
Not Available
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Specific Gravity
3.30-3.40
4.23
Fracture
Conchoidal, Brittle, Conchoidal
UnevenAnthony et al, Handbook of mineralogy (2001), UnevenAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal
Cleavage
{010} perfect, {110} distinct, {100} in traces
{111} Distinct
Mohs Hardness
6.5-7
3.5-4
Chemical Composition
AlO(OH)Walter Schumann , Gemstones of the world (2001) More from other references
CaMoO 4Michael OâDonoghue , Gems, Sixth Edition (2006)
Luster
Pearly
Greasy, Subadamantine
Pleochroism
Strong
In deeply colored specimens: blue greenAnthony et al
Dispersion
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Transparency
Transparent
Transparent
Refractive Index
1.702-1.750
1.974-1.984
Optic Character
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Crystal System
Orthorhombic
Not Available
Birefringence
0.048
Not Available
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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Diaspore Vs Powellite Fracture
Fracture is an important parameter when you compare Diaspore and Powellite Physical Properties. It is necessary to understand the significance of these properties, before you compare Diaspore 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 Diaspore is Brittle, Conchoidal and Conchoidal. Powellite fracture is Brittle, Conchoidal, Handbook of mineralogy (2001), Handbook of mineralogy (2001), UnevenAnthony et al and UnevenAnthony et al.
Diaspore Vs Powellite Luster
A primary knowledge about Diaspore 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. Diaspore exhibits Pearly luster. Powellite, on other hand, exhibits Greasy and Subadamantine luster.