Sillimanite Vs Chromite
Origin
USA, Madagascar, India, Sri Lanka, Burma, Australia, Italy, Brazil
Southern and central Africa
Color
Blue, Green, Brownish, Greenish, Colorless, gray
Black, Brownish, Brown
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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Solubility
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Durability
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Specific Gravity
3.20-3.26
4.5-4.8
Fracture
Splintery
Uneven
Cleavage
{010} perfect
None, parting may develop along {111}
Chemical Composition
Al 2SiO 5Michael OâDonoghue , Gems, Sixth Edition (2006)
Fe++Cr2O4
Luster
Vitreous, Subadamantine, Silky
Not Available
Pleochroism
Colourless to pale brown to yellow
none.
Dispersion
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Transparency
Transparent, Translucent
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Refractive Index
1.653-1.685
2.08-2.16
Optic Character
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Crystal System
Orthorhombic
Isometric
Birefringence
0.020-0.022
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Clarity
Transparent
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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 Chromite Fracture
Fracture is an important parameter when you compare Sillimanite and Chromite Physical Properties. It is necessary to understand the significance of these properties, before you compare Sillimanite Vs Chromite 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. Chromite fracture is Uneven.
Sillimanite Vs Chromite Luster
A primary knowledge about Sillimanite vs Chromite 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 Vitreous, Subadamantine and Silky luster.