Shattuckite Vs Gahnite
Origin
the type locality
Australia
Color
Blue, Green
Blue, Green, Greenish, Black
For which Rashi?
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Planet
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Element of Planets
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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
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Solubility
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Durability
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Specific Gravity
3.80-4.15
4.00-4.62
Fracture
Uneven, UnevenArthur Thomas, Gemstones (2009)
Conchoidal, Uneven
Cleavage
perfect along [010] and [100]
Indistinct parting on [111]
Mohs Hardness
3.5-4
7.5-8
Chemical Composition
Cu 5(SiO 3) 4(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
ZnAl 2O 4Michael OâDonoghue , Gems, Sixth Edition (2006)
Pleochroism
X = very pale blue; Y = pale blue; Z = deep blue
Not Available
Dispersion
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Transparency
Translucent
Gemmological Tables (2004) More from other references
Refractive Index
1.752-1.815
1.790-1.818
Optic Character
Not Available
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Crystal System
Orthorhombic
cubic
Birefringence
0.063
Not Available
Clarity
Translucent
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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Shattuckite Vs Gahnite Fracture
Fracture is an important parameter when you compare Shattuckite and Gahnite Physical Properties. It is necessary to understand the significance of these properties, before you compare Shattuckite 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 Shattuckite is Uneven, UnevenArthur Thomas and Gemstones (2009). Gahnite fracture is Conchoidal and Uneven.
Shattuckite Vs Gahnite Luster
A primary knowledge about Shattuckite 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. Shattuckite exhibits Silky luster. Gahnite, on other hand, exhibits Vitreous luster.