Origin
Southern and central Africa
Australia, Mexico
Color
Violet, Blue, Red, Yellow, Brown, gray
Yellow, Greenish, Brownish, Colorless, White, gray, Yellow, Green, Blue, Violet, Blue, Colorless, Green, gray, Yellow, Blue, Colorless, Green, gray, Yellow, orange
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
insoluble
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Durability
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Specific Gravity
3.90-4.05
6.30-6.39
Fracture
Uneven, Uneven, Gems, Difficult, Fibrous
Conchoidal, Brittle, Conchoidal, Brittle, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle, Conchoidal
Cleavage
None – parting in 3 directions
[001] good, [210] distinct
Chemical Composition
Al 2O 3Arthur Thomas , Gemstones (2009)
PbSO 4Michael OâDonoghue , Gems, Sixth edition (2006) More from other references
Luster
Adamantine, Vitreous
Adamantine
Pleochroism
None
NilArthur Thomas
Transparency
Transparent, Translucent
Transparent
Refractive Index
1.758-1.780
1.877-1.894
Optic Character
Not Available
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Crystal System
Trigonal
Orthorhombic
Birefringence
0.007-0.010
0.017
Clarity
Gemmological Tables (2004) More from other references
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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Corundum Vs Anglesite Fracture
Fracture is an important parameter when you compare Corundum and Anglesite Physical Properties. It is necessary to understand the significance of these properties, before you compare Corundum Vs Anglesite 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 Corundum is Difficult, Fibrous, Gems, Uneven and Uneven. Anglesite fracture is Brittle, Brittle, Brittle, Conchoidal, Conchoidal, Conchoidal, Conchoidal, ConchoidalArthur Thomas and Gemstones (2009).
Corundum Vs Anglesite Luster
A primary knowledge about Corundum vs Anglesite 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. Corundum exhibits Adamantine and Vitreous luster. Anglesite, on other hand, exhibits Adamantine luster.