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