Periclase Vs Pargasite
Origin
Austria, Spain, Russia, Canada, Australia
Southern and central Africa, Vietnam
Color
Colorless, Brownish, Yellow, Green, gray, White
Green, Black, Brown
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
Brittle
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Solubility
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Durability
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Specific Gravity
3.7-3.9
3.04-3.26
Fracture
Conchoidal, Brittle
Splintery, Brittle, Uneven
Cleavage
{001} perfect; {111} imperfect, may exhibit parting on , {011}
{110} perfect
Chemical Composition
MgOMichael OâDonoghue , Gems, Sixth Edition (2006)
NaCa 2(Mg 4Al)Si 6Al 2O 22(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Pleochroism
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Dispersion
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Transparency
TransparentWalter Schumann, Gemstones of the world (2001) More from other references
Transparent
Refractive Index
1.735-1.738
1.613-1.663
Optic Character
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Crystal System
Isometric
monoclinic
Birefringence
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0.020
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 Pargasite Fracture
Fracture is an important parameter when you compare Periclase and Pargasite Physical Properties. It is necessary to understand the significance of these properties, before you compare Periclase Vs Pargasite 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. Pargasite fracture is Brittle, Splintery and Uneven.
Periclase Vs Pargasite Luster
A primary knowledge about Periclase vs Pargasite 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. Pargasite, on other hand, exhibits Vitreous luster.