Gahnite Vs Austinite
Color
Blue, Green, Greenish, Black
Colorless, White, Green, Brown
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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Brittle
Solubility
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Easily soluble in cold dilute HCl
Durability
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Specific Gravity
4.00-4.62
4.12
Fracture
Conchoidal, Uneven
Brittle, Uneven
Cleavage
Indistinct parting on [111]
Good in two directions parallel to the prism faces {110}
Mohs Hardness
7.5-8
4-4.5
Chemical Composition
ZnAl 2O 4Michael OâDonoghue , Gems, Sixth Edition (2006)
CaZn(AsO4)(OH)
Luster
Vitreous
Subadamantine, Silky, Fibrous
Pleochroism
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Dispersion
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Transparency
Gemmological Tables (2004) More from other references
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Refractive Index
1.790-1.818
1.759
Optic Character
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Crystal System
cubic
Orthorhombic
Birefringence
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0.024
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
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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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Gahnite Vs Austinite Fracture
Fracture is an important parameter when you compare Gahnite and Austinite Physical Properties. It is necessary to understand the significance of these properties, before you compare Gahnite Vs Austinite 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 Gahnite is Conchoidal and Uneven. Austinite fracture is Brittle and Uneven.
Gahnite Vs Austinite Luster
A primary knowledge about Gahnite vs Austinite 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. Gahnite exhibits Vitreous luster. Austinite, on other hand, exhibits Subadamantine, Silky and Fibrous luster.