Sellaite Vs Shattuckite
Origin
Brazil
the type locality
Color
Colorless, White
Blue, Green
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
Brittle
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Solubility
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Durability
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Specific Gravity
3.14-3.16
3.80-4.15
Fracture
Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle
Uneven, UnevenArthur Thomas, Gemstones (2009)
Cleavage
Perfect on {010} and {110}
perfect along [010] and [100]
Mohs Hardness
5-5.5
3.5-4
Chemical Composition
MgF 2Ulrich Henn and Claudio C.
Cu 5(SiO 3) 4(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Pleochroism
Not Available
X = very pale blue; Y = pale blue; Z = deep blue
Dispersion
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Transparency
Transparent
Translucent
Refractive Index
1.378-1.390
1.752-1.815
Optic Character
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Crystal System
tetragonal
Orthorhombic
Birefringence
0.012
0.063
Clarity
Transparent
Translucent
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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Sellaite Vs Shattuckite Fracture
Fracture is an important parameter when you compare Sellaite and Shattuckite Physical Properties. It is necessary to understand the significance of these properties, before you compare Sellaite Vs Shattuckite 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 Sellaite is Brittle, Conchoidal, ConchoidalAnthony et al and Handbook of mineralogy (2001). Shattuckite fracture is Gemstones (2009), Uneven and UnevenArthur Thomas.
Sellaite Vs Shattuckite Luster
A primary knowledge about Sellaite vs Shattuckite 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. Sellaite exhibits Vitreous luster. Shattuckite, on other hand, exhibits Silky luster.