Pyrargyrite Vs Grandidierite
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
5.85
2.85-3.00
Fracture
Conchoidal, Uneven, ConchoidalArthur Thomas, Brittle
Brittle, UnevenArthur Thomas, Gemstones (2009), Brittle, Uneven
Cleavage
Distinct on {10 1 1}, imperfect on {01 1 2}
Perfect
Chemical Composition
Ag 3SbS 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
(Mg,Fe)Al 3(BO 4)(SiO 4)OUlrich Henn and Claudio C.
Luster
Adamantine
Vitreous, Pearly
Pleochroism
Distinct
visible
Dispersion
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Transparency
Translucent
Gemmological Tables (2004) More from other references
Refractive Index
2.881-3.084
1.578-1.639
Optic Character
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Crystal System
Trigonal
Orthorhombic
Birefringence
0.203
0.037-0.039
Clarity
Translucent
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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Pyrargyrite Vs Grandidierite Fracture
Fracture is an important parameter when you compare Pyrargyrite and Grandidierite Physical Properties. It is necessary to understand the significance of these properties, before you compare Pyrargyrite Vs Grandidierite 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 Pyrargyrite is Brittle, Conchoidal, ConchoidalArthur Thomas and Uneven. Grandidierite fracture is Brittle, Brittle, Gemstones (2009), Uneven and UnevenArthur Thomas.
Pyrargyrite Vs Grandidierite Luster
A primary knowledge about Pyrargyrite vs Grandidierite 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. Pyrargyrite exhibits Adamantine luster. Grandidierite, on other hand, exhibits Pearly and Vitreous luster.