Pargasite Vs Gahnospinel
Origin
Southern and central Africa, Vietnam
Sri Lanka
Color
Green, Black, Brown
Blue
Streak
White
Not Available
For which Rashi?
Not Available
Sagittarius, Scorpio
Planet
Not Available
Pluto
Element of Planets
Not Available
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Finger
Not Available
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Ring Metal
Not Available
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Energy
Not Available
Projective
Deities
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Hephaestus
Not to wear with
Not Available
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Powers
Not Available
Money
Planetary
Not Available
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Talisman
Not Available
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Tenacity
Not Available
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Solubility
Not Available
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Durability
Not Available
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Specific Gravity
3.04-3.26
3.65-4.55
Fracture
Splintery, Brittle, Uneven
ConchoidalArthur Thomas, Gemstones (2009)
Cleavage
{110} perfect
None, but may exhibit slight parting
Chemical Composition
NaCa 2(Mg 4Al)Si 6Al 2O 22(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)
(Mg,Zn)Al 2O 4Gemdat.org , Management Team (2012)
Pleochroism
Not Available
AbsentWalter Schumann
Dispersion
Not Available
Not Available
Transparency
Transparent
Gemmological Tables (2004)
Refractive Index
1.613-1.663
1.735-1.790
Optic Character
Not Available
Not Available
Crystal System
monoclinic
Isometric
Birefringence
0.020
Not Available
Clarity
Transparent
TransparentUlrich Henn and Claudio C. Milisenda
Neurological
Not Available
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Cardiovascular
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Respiratory
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Reproductive
Not Available
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Digestive
Not Available
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Psychology
Not Available
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Healing
Not Available
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Qualities Associated
Not Available
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Pargasite Vs Gahnospinel Fracture
Fracture is an important parameter when you compare Pargasite and Gahnospinel Physical Properties. It is necessary to understand the significance of these properties, before you compare Pargasite Vs Gahnospinel 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. Gahnospinel fracture is ConchoidalArthur Thomas and Gemstones (2009).
Pargasite Vs Gahnospinel Luster
A primary knowledge about Pargasite vs Gahnospinel 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. Gahnospinel, on other hand, exhibits Vitreous luster.