Pargasite Vs Bastnasite
Origin
Southern and central Africa, Vietnam
Turkey, Russia, Canada
Color
Green, Black, Brown
Reddish, 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
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Solubility
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Durability
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Specific Gravity
3.04-3.26
4.95-5.0
Fracture
Splintery, Brittle, Uneven
Uneven
Cleavage
{110} perfect
Imperfect to indistinct on {10 1 0}, parting on {0001}
Chemical Composition
NaCa 2(Mg 4Al)Si 6Al 2O 22(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)
(Ce,La)(CO 3)FMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Vitreous
Vitreous, Greasy, Pearly
Pleochroism
Not Available
Faint
Dispersion
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Transparency
Transparent
Gemmological Tables (2004) More from other references
Refractive Index
1.613-1.663
1.717-1.722
Optic Character
Not Available
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Crystal System
monoclinic
Hexagonal
Birefringence
0.020
0.100
Clarity
Transparent
TransparentUlrich Henn and Claudio C. Milisenda
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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Pargasite Vs Bastnasite Fracture
Fracture is an important parameter when you compare Pargasite and Bastnasite Physical Properties. It is necessary to understand the significance of these properties, before you compare Pargasite Vs Bastnasite 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 Pargasite is Brittle, Splintery and Uneven. Bastnasite fracture is Uneven.
Pargasite Vs Bastnasite Luster
A primary knowledge about Pargasite vs Bastnasite 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. Pargasite exhibits Vitreous luster. Bastnasite, on other hand, exhibits Greasy, Pearly and Vitreous luster.