Natrolite Vs Gahnite
Origin
Russia, Columbia
Australia
Color
White, White, Colorless, Red, Reddish
Blue, Green, Greenish, Black
For which Rashi?
Not Available
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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
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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
Brittle
Not Available
Solubility
Not Available
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Durability
Not Available
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Specific Gravity
2.20-2.26
4.00-4.62
Fracture
Uneven, Brittle, Metallic, Gemstones (2009)
Conchoidal, Uneven
Cleavage
Perfect on {110}
Indistinct parting on [111]
Mohs Hardness
5-5.5
7.5-8
Chemical Composition
Na 2[Al 2Si 3O 10] · 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
ZnAl 2O 4Michael OâDonoghue , Gems, Sixth Edition (2006)
Luster
Vitreous, Silky, Pearly
Vitreous
Pleochroism
NilArthur Thomas
Not Available
Dispersion
Not Available
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Transparency
Transparent, Translucent
Gemmological Tables (2004) More from other references
Refractive Index
1.478-1.493
1.790-1.818
Optic Character
Not Available
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Crystal System
Orthorhombic
cubic
Birefringence
0.012-0.013
Not Available
Clarity
Transparent
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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Natrolite Vs Gahnite Fracture
Fracture is an important parameter when you compare Natrolite and Gahnite Physical Properties. It is necessary to understand the significance of these properties, before you compare Natrolite 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. Fracture observed in Natrolite is Brittle, Gemstones (2009), Metallic and Uneven. Gahnite fracture is Conchoidal and Uneven.
Natrolite Vs Gahnite Luster
A primary knowledge about Natrolite 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. Natrolite exhibits Pearly, Silky and Vitreous luster. Gahnite, on other hand, exhibits Vitreous luster.