Gahnite Vs Vesuvianite Idocrase
Origin
Australia
Canada, USA, Southern and central Africa
Color
Blue, Green, Greenish, Black
Green
Streak
Grey, gray
Not Available
For which Rashi?
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Planet
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Element of Planets
Not Available
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Finger
Not Available
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Ring Metal
Not Available
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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
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Solubility
Not Available
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Durability
Not Available
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Specific Gravity
4.00-4.62
3.25-3.50
Fracture
Conchoidal, Uneven
Uneven, Uneven, Gemstones of the world (2001) More from other references
Cleavage
Indistinct parting on [111]
Not Available
Mohs Hardness
7.5-8
Not Available
Chemical Composition
ZnAl 2O 4Michael OâDonoghue , Gems, Sixth Edition (2006)
Ca 10Mg 2Al 4(SiO 4) 5(Si 2O 7) 2(OH) 4Ulrich Henn and Claudio C.
Luster
Vitreous
Not Available
Pleochroism
Not Available
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Transparency
Gemmological Tables (2004) More from other references
Transparent
Refractive Index
1.790-1.818
1.700-1.725
Optic Character
Not Available
Uniaxial/-
Crystal System
cubic
Not Available
Birefringence
Not Available
0.002-0.012
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
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Healing
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Qualities Associated
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Gahnite Vs Vesuvianite Idocrase Fracture
Fracture is an important parameter when you compare Gahnite and Vesuvianite Idocrase Physical Properties. It is necessary to understand the significance of these properties, before you compare Gahnite Vs Vesuvianite Idocrase 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. Vesuvianite Idocrase fracture is Gemstones of the world (2001) More from other references, Uneven and Uneven.
Gahnite Vs Vesuvianite Idocrase Luster
A primary knowledge about Gahnite vs Vesuvianite Idocrase 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.