Gahnite Vs Xonotlite
Color
Blue, Green, Greenish, Black
White, Colorless, gray, pink
Streak
Grey, gray
Colorless, White
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
4.00-4.62
2.71-2.72
Fracture
Conchoidal, Uneven
Handbook of mineralogy (2001), Difficult, Fibrous
Cleavage
Indistinct parting on [111]
{???} Good
Mohs Hardness
7.5-8
6-6.5
Chemical Composition
ZnAl 2O 4Michael OâDonoghue , Gems, Sixth Edition (2006)
Ca 6Si 6O 17(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Luster
Vitreous
Vitreous, Silky
Pleochroism
Not Available
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Dispersion
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Transparency
Gemmological Tables (2004) More from other references
Gems, Sixth Edition (2006)
Refractive Index
1.790-1.818
1.581-1.593
Optic Character
Not Available
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Crystal System
cubic
monoclinic
Birefringence
Not Available
0.010
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Gems
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 Xonotlite Fracture
Fracture is an important parameter when you compare Gahnite and Xonotlite Physical Properties. It is necessary to understand the significance of these properties, before you compare Gahnite Vs Xonotlite 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. Xonotlite fracture is Difficult, Fibrous and Handbook of mineralogy (2001).
Gahnite Vs Xonotlite Luster
A primary knowledge about Gahnite vs Xonotlite 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. Xonotlite, on other hand, exhibits Silky and Vitreous luster.