Childrenite Vs Gahnite
Color
Yellow, White, Brown, Brownish, Black
Blue, Green, Greenish, Black
Streak
Brown, Yellow, White
Grey, gray
For which Rashi?
Not Available
Not Available
Planet
Not Available
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Element of Planets
Not Available
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Energy
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Finger
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Ring Metal
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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
Soluble
Not Available
Durability
Not Available
Not Available
Specific Gravity
3.06-3.25
4.00-4.62
Fracture
Sub-Conchoidal, ConchoidalArthur Thomas, Conchoidal, Uneven
Conchoidal, Uneven
Cleavage
Poor/indistinct on {100}
Indistinct parting on [111]
Mohs Hardness
4.5-5
7.5-8
Chemical Composition
(Fe,Mn)AlPO 4(OH) 2 -H 2OArthur Thomas , Gemstones (2009)
ZnAl 2O 4Michael OâDonoghue , Gems, Sixth Edition (2006)
Luster
Vitreous, Resinous
Vitreous
Pleochroism
visible
Not Available
Dispersion
Not Available
Not Available
Transparency
Transparent
Gemmological Tables (2004) More from other references
Refractive Index
1.639-1.672
1.790-1.818
Optic Character
Not Available
Not Available
Crystal System
Orthorhombic
cubic
Birefringence
0.027-0.042
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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Childrenite Vs Gahnite Fracture
Fracture is an important parameter when you compare Childrenite and Gahnite Physical Properties. It is necessary to understand the significance of these properties, before you compare Childrenite 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 Childrenite is Sub-Conchoidal, ConchoidalArthur Thomas, Conchoidal and Uneven. Gahnite fracture is Conchoidal and Uneven.
Childrenite Vs Gahnite Luster
A primary knowledge about Childrenite 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. Childrenite exhibits Vitreous and Resinous luster. Gahnite, on other hand, exhibits Vitreous luster.