Gahnite Vs Scheelite
Origin
Australia
Switzerland, Australia, Brazil
Color
Blue, Green, Greenish, Black
Yellow, Colorless, White, Brownish, Reddish
For which Rashi?
Not Available
Not Available
Planet
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Element of Planets
Not Available
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Finger
Not Available
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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
Not Available
Brittle
Solubility
Not Available
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Durability
Not Available
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Specific Gravity
4.00-4.62
5.9-6.3
Fracture
Conchoidal, Uneven
Conchoidal, Conchoidal, Gemstones of the world (2001) More from other references, Uneven
Cleavage
Indistinct parting on [111]
On {101}, distinct; on {112}, interrupted; on {001}, indistinct
Mohs Hardness
7.5-8
4.5-5
Chemical Composition
ZnAl 2O 4Michael OâDonoghue , Gems, Sixth Edition (2006)
CaWO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Vitreous
Vitreous, Adamantine
Pleochroism
Not Available
Definite dichoric in yellow (yellow to orange-brown)
Transparency
Gemmological Tables (2004) More from other references
Translucent, Transparent
Refractive Index
1.790-1.818
1.918-1.936
Optic Character
Not Available
Not Available
Crystal System
cubic
tetragonal
Birefringence
Not Available
0.016
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Translucent
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 Scheelite Fracture
Fracture is an important parameter when you compare Gahnite and Scheelite Physical Properties. It is necessary to understand the significance of these properties, before you compare Gahnite Vs Scheelite 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. Scheelite fracture is Conchoidal, Conchoidal, Gemstones of the world (2001) More from other references and Uneven.
Gahnite Vs Scheelite Luster
A primary knowledge about Gahnite vs Scheelite 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. Scheelite, on other hand, exhibits Adamantine and Vitreous luster.