Pargasite Vs Brookite
Origin
Southern and central Africa, Vietnam
Russia
Color
Green, Black, Brown
Red, Reddish, Brown, Black, Brown, Reddish, orange
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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Brittle
Solubility
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Durability
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Specific Gravity
3.04-3.26
3.87-4.14
Fracture
Splintery, Brittle, Uneven
Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle
Cleavage
{110} perfect
Poor on {120}, in traces on {001}
Chemical Composition
NaCa 2(Mg 4Al)Si 6Al 2O 22(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)
TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Vitreous
Adamantine
Pleochroism
Not Available
Very weak
Dispersion
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Transparency
Transparent
Gemmological Tables (2004) More from other references
Refractive Index
1.613-1.663
2.583-2.741
Optic Character
Not Available
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Crystal System
monoclinic
Orthorhombic
Birefringence
0.020
0.117
Clarity
Transparent
Gemmological Tables (2004) More from other references
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 Brookite Fracture
Fracture is an important parameter when you compare Pargasite and Brookite Physical Properties. It is necessary to understand the significance of these properties, before you compare Pargasite Vs Brookite 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. Brookite fracture is Brittle, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009) and Subconchoidal.
Pargasite Vs Brookite Luster
A primary knowledge about Pargasite vs Brookite 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. Brookite, on other hand, exhibits Adamantine luster.