Powellite Vs Dolomite
Origin
India
Spain, Southern and central Africa
Color
Yellow, Greenish, Blue, Brown, Green, gray
White, White, gray, Reddish, Brownish, 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
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Brittle
Solubility
Not Available
Poorly soluble in dilute HCl
Durability
Not Available
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Specific Gravity
4.23
2.80-2.95
Fracture
UnevenAnthony et al, Handbook of mineralogy (2001), UnevenAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle, Conchoidal
Cleavage
{111} Distinct
Perfect on {10 1 1}, rhombohedral cleavage
Mohs Hardness
3.5-4
3.5-4
Chemical Composition
CaMoO 4Michael OâDonoghue , Gems, Sixth Edition (2006)
CaMg(CO 3) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Greasy, Subadamantine
Vitreous, Pearly
Pleochroism
In deeply colored specimens: blue greenAnthony et al
NilArthur Thomas
Dispersion
Not Available
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Transparency
Transparent
Transparent, Translucent
Refractive Index
1.974-1.984
1.498-1.681
Optic Character
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Crystal System
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Trigonal
Birefringence
Not Available
0.179-0.181
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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Powellite Vs Dolomite Fracture
Fracture is an important parameter when you compare Powellite and Dolomite Physical Properties. It is necessary to understand the significance of these properties, before you compare Powellite Vs Dolomite 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 Powellite is Brittle, Conchoidal, Handbook of mineralogy (2001), Handbook of mineralogy (2001), UnevenAnthony et al and UnevenAnthony et al. Dolomite fracture is Brittle, Conchoidal, Conchoidal, ConchoidalArthur Thomas and Gemstones (2009).
Powellite Vs Dolomite Luster
A primary knowledge about Powellite vs Dolomite 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. Powellite exhibits Greasy and Subadamantine luster. Dolomite, on other hand, exhibits Pearly and Vitreous luster.