Sillimanite Vs Shattuckite
Origin
USA, Madagascar, India, Sri Lanka, Burma, Australia, Italy, Brazil
the type locality
Color
Blue, Green, Brownish, Greenish, Colorless, gray
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
Tough
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Solubility
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Durability
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Specific Gravity
3.20-3.26
3.80-4.15
Fracture
Splintery
Uneven, UnevenArthur Thomas, Gemstones (2009)
Cleavage
{010} perfect
perfect along [010] and [100]
Mohs Hardness
6-7.5
3.5-4
Chemical Composition
Al 2SiO 5Michael OâDonoghue , Gems, Sixth Edition (2006)
Cu 5(SiO 3) 4(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Vitreous, Subadamantine, Silky
Silky
Pleochroism
Colourless to pale brown to yellow
X = very pale blue; Y = pale blue; Z = deep blue
Dispersion
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Transparency
Transparent, Translucent
Translucent
Refractive Index
1.653-1.685
1.752-1.815
Optic Character
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Crystal System
Orthorhombic
Orthorhombic
Birefringence
0.020-0.022
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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Sillimanite Vs Shattuckite Fracture
Fracture is an important parameter when you compare Sillimanite and Shattuckite Physical Properties. It is necessary to understand the significance of these properties, before you compare Sillimanite 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 Sillimanite is Splintery. Shattuckite fracture is Gemstones (2009), Uneven and UnevenArthur Thomas.
Sillimanite Vs Shattuckite Luster
A primary knowledge about Sillimanite 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. Sillimanite exhibits Silky, Subadamantine and Vitreous luster. Shattuckite, on other hand, exhibits Silky luster.