Gahnite Vs Uvite
Origin
Australia
Sri Lanka
Color
Blue, Green, Greenish, Black
Red, Brown, Black
For which Rashi?
Not Available
Not Available
Planet
Not Available
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Element of Planets
Not Available
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Energy
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Finger
Not Available
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Ring Metal
Not Available
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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
Not Available
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Solubility
Not Available
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Durability
Not Available
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Specific Gravity
4.00-4.62
2.97-3.14
Fracture
Conchoidal, Uneven
Uneven, Conchoidal, Brittle
Cleavage
Indistinct parting on [111]
{1011} Indistinct
Mohs Hardness
7.5-8
Not Available
Chemical Composition
ZnAl 2O 4Michael OâDonoghue , Gems, Sixth Edition (2006)
Ca(Mg 3)MgAl 5(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)
Pleochroism
Not Available
Pale yellow colorlessAnthony et al
Transparency
Gemmological Tables (2004) More from other references
Transparent
Refractive Index
1.790-1.818
1.614-1.666
Optic Character
Not Available
Not Available
Crystal System
cubic
Not Available
Birefringence
Not Available
0.014-0.032
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Transparent
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
Not Available
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Healing
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Qualities Associated
Not Available
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Gahnite Vs Uvite Fracture
Fracture is an important parameter when you compare Gahnite and Uvite Physical Properties. It is necessary to understand the significance of these properties, before you compare Gahnite Vs Uvite 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. Uvite fracture is Uneven, Conchoidal and Brittle.
Gahnite Vs Uvite Luster
A primary knowledge about Gahnite vs Uvite 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. Uvite, on other hand, exhibits Vitreous luster.