Corundum Vs White topaz
Origin
Southern and central Africa
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Color
Violet, Blue, Red, Yellow, Brown, gray
White, Colorless, Blue, Red, Green, Yellow, Violet
Streak
White, None
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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
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Fracture
Uneven, Uneven, Gems, Difficult, Fibrous
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Cleavage
None – parting in 3 directions
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Mohs Hardness
9
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Chemical Composition
Al 2O 3Arthur Thomas , Gemstones (2009)
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Luster
Adamantine, Vitreous
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Pleochroism
None
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Transparency
Transparent, Translucent
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Refractive Index
1.758-1.780
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Optic Character
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Crystal System
Trigonal
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Birefringence
0.007-0.010
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Clarity
Gemmological Tables (2004) More from other references
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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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Corundum Vs White topaz Fracture
Fracture is an important parameter when you compare Corundum and White topaz Physical Properties. It is necessary to understand the significance of these properties, before you compare Corundum Vs White topaz 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.
Corundum Vs White topaz Luster
A primary knowledge about Corundum vs White topaz 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.