Pargasite Vs Demantoid
Origin
Southern and central Africa, Vietnam
Italy
Color
Green, Black, Brown
Green
Streak
White
Not Available
For which Rashi?
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Planet
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Element of Planets
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Energy
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Finger
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Ring Metal
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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
Not Available
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Durability
Not Available
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Specific Gravity
3.04-3.26
3.77-3.95
Fracture
Splintery, Brittle, Uneven
Not Available
Cleavage
{110} perfect
Not Available
Chemical Composition
NaCa 2(Mg 4Al)Si 6Al 2O 22(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Ca 3Fe 2(SiO 4) 3Ulrich Henn and Claudio C.
Luster
Vitreous
Adamantine
Pleochroism
Not Available
None
Dispersion
Not Available
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Transparency
Transparent
Gemmological Tables (2004)
Refractive Index
1.613-1.663
1.880-1.890
Optic Character
Not Available
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Crystal System
monoclinic
cubic
Birefringence
0.020
Not Available
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 Demantoid Fracture
Fracture is an important parameter when you compare Pargasite and Demantoid Physical Properties. It is necessary to understand the significance of these properties, before you compare Pargasite Vs Demantoid 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 Splintery, Brittle and Uneven.
Pargasite Vs Demantoid Luster
A primary knowledge about Pargasite vs Demantoid 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. Demantoid, on other hand, exhibits Adamantine luster.