Gahnite Vs Cancrinite
Color
Blue, Green, Greenish, Black
Colorless, White, Blue, Colorless, gray, Green, Yellow, 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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Brittle
Solubility
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Durability
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Specific Gravity
4.00-4.62
2.42-2.52
Fracture
Conchoidal, Uneven
Irregular/uneven, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle
Cleavage
Indistinct parting on [111]
Perfect on {10 1 0}, poor on {0001}
Chemical Composition
ZnAl 2O 4Michael OâDonoghue , Gems, Sixth Edition (2006)
Na 2Ca 2Al 6Si 6O 24(CO 3) 2Walter Schumann , Gemstones of the world (2001) More from other references
Luster
Vitreous
Vitreous, Greasy, Pearly
Pleochroism
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Dispersion
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Transparency
Gemmological Tables (2004) More from other references
Transparent
Refractive Index
1.790-1.818
1.491-1.524
Optic Character
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Crystal System
cubic
Hexagonal
Birefringence
Not Available
0.012-0.025
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 Cancrinite Fracture
Fracture is an important parameter when you compare Gahnite and Cancrinite Physical Properties. It is necessary to understand the significance of these properties, before you compare Gahnite Vs Cancrinite 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. Cancrinite fracture is Brittle, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009) and Irregular/uneven.
Gahnite Vs Cancrinite Luster
A primary knowledge about Gahnite vs Cancrinite 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. Cancrinite, on other hand, exhibits Greasy, Pearly and Vitreous luster.