Rutile Vs Corundum
Origin
Brazil, Southern and central Africa, Sri Lanka
Southern and central Africa
Color
Red, gray
Violet, Blue, Red, Yellow, Brown, gray
Streak
Red, Black
White, None
For which Rashi?
Not Available
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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
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Brittle
Solubility
Insoluble in acids
insoluble
Durability
Not Available
Not Available
Specific Gravity
4.20-4.30
3.90-4.05
Fracture
Uneven, ConchoidalArthur Thomas, Gemstones (2009)
Uneven, Uneven, Gems, Difficult, Fibrous
Cleavage
{110} good, 100 moderate, parting on {092} and {011}
None – parting in 3 directions
Chemical Composition
TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Al 2O 3Arthur Thomas , Gemstones (2009)
Luster
Adamantine
Adamantine, Vitreous
Pleochroism
Weak to distinct brownish red-green-yellow
None
Transparency
Transparent, Translucent
Transparent, Translucent
Refractive Index
2.609-2.903
1.758-1.780
Optic Character
Not Available
Not Available
Crystal System
tetragonal
Trigonal
Birefringence
0.296
0.007-0.010
Clarity
Transparent
Gemmological Tables (2004) More from other references
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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Rutile Vs Corundum Fracture
Fracture is an important parameter when you compare Rutile and Corundum Physical Properties. It is necessary to understand the significance of these properties, before you compare Rutile Vs Corundum 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 Rutile is ConchoidalArthur Thomas, Gemstones (2009) and Uneven. Corundum fracture is Difficult, Fibrous, Gems, Uneven and Uneven.
Rutile Vs Corundum Luster
A primary knowledge about Rutile vs Corundum 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. Rutile exhibits Adamantine luster. Corundum, on other hand, exhibits Adamantine and Vitreous luster.