Periclase Vs Powellite
Origin
Austria, Spain, Russia, Canada, Australia
India
Color
Colorless, Brownish, Yellow, Green, gray, White
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
Not Available
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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
Brittle
Not Available
Solubility
Not Available
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Durability
Not Available
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Specific Gravity
3.7-3.9
4.23
Fracture
Conchoidal, Brittle
UnevenAnthony et al, Handbook of mineralogy (2001), UnevenAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal
Cleavage
{001} perfect; {111} imperfect, may exhibit parting on , {011}
{111} Distinct
Mohs Hardness
5.5-6
3.5-4
Chemical Composition
MgOMichael OâDonoghue , Gems, Sixth Edition (2006)
CaMoO 4Michael OâDonoghue , Gems, Sixth Edition (2006)
Luster
Vitreous
Greasy, Subadamantine
Pleochroism
Not Available
In deeply colored specimens: blue greenAnthony et al
Dispersion
Not Available
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Transparency
TransparentWalter Schumann, Gemstones of the world (2001) More from other references
Transparent
Refractive Index
1.735-1.738
1.974-1.984
Optic Character
Not Available
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Crystal System
Isometric
Not Available
Birefringence
Not Available
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Clarity
TransparentWalter Schumann
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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Periclase Vs Powellite Fracture
Fracture is an important parameter when you compare Periclase and Powellite Physical Properties. It is necessary to understand the significance of these properties, before you compare Periclase 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 Periclase is Brittle and Conchoidal. Powellite fracture is Brittle, Conchoidal, Handbook of mineralogy (2001), Handbook of mineralogy (2001), UnevenAnthony et al and UnevenAnthony et al.
Periclase Vs Powellite Luster
A primary knowledge about Periclase 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. Periclase exhibits Vitreous luster. Powellite, on other hand, exhibits Greasy and Subadamantine luster.