Libyan Desert Glass Vs Gahnite
Origin
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Australia
Color
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Blue, Green, Greenish, Black
Streak
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Grey, gray
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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Solubility
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Durability
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Specific Gravity
2
4.00-4.62
Fracture
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Conchoidal, Uneven
Cleavage
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Indistinct parting on [111]
Mohs Hardness
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7.5-8
Chemical Composition
Not Available
ZnAl 2O 4Michael OâDonoghue , Gems, Sixth Edition (2006)
Luster
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Vitreous
Pleochroism
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Dispersion
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Transparency
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Gemmological Tables (2004) More from other references
Refractive Index
1.46-1.465
1.790-1.818
Optic Character
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Crystal System
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cubic
Birefringence
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Clarity
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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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Libyan Desert Glass Vs Gahnite Fracture
Fracture is an important parameter when you compare Libyan Desert Glass and Gahnite Physical Properties. It is necessary to understand the significance of these properties, before you compare Libyan Desert Glass Vs Gahnite 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. Gahnite fracture is Conchoidal and Uneven.
Libyan Desert Glass Vs Gahnite Luster
A primary knowledge about Libyan Desert Glass vs Gahnite 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, on other hand, exhibits Vitreous luster.