Chalcedony Vs Corundum
Origin
Zimbabwe
Southern and central Africa
Color
Violet, White, gray, Blue, Brown, Black
Violet, Blue, Red, Yellow, Brown, gray
For which Rashi?
Cancer, Sagittarius, Cancer, Sagittarius, Cancer, Sagittarius
Not Available
Planet
Moon
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Element of Planets
Water
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Finger
Not Available
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Ring Metal
Not Available
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Energy
Receptive
Not Available
Deities
Goddess Whope
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Not to wear with
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Powers
Protection
Not Available
Planetary
Not Available
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Talisman
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Tenacity
Not Available
Brittle
Solubility
Soluble
insoluble
Durability
Not Available
Not Available
Specific Gravity
2.55-2.70
3.90-4.05
Fracture
Uneven, Splintery, Conchoidal, Uneven, Splintery, Conchoidal, UnevenWalter Schumann
Uneven, Uneven, Gems, Difficult, Fibrous
Cleavage
Absent
None – parting in 3 directions
Chemical Composition
SiO2
Al 2O 3Arthur Thomas , Gemstones (2009)
Luster
Vitreous
Adamantine, Vitreous
Pleochroism
AbsentWalter Schumann
None
Transparency
Translucent, Translucent to opaque
Transparent, Translucent
Refractive Index
1.530-1.543
1.758-1.780
Optic Character
Not Available
Not Available
Crystal System
Trigonal
Trigonal
Birefringence
0.003-0.009
0.007-0.010
Clarity
Translucent
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
Not Available
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Chalcedony Vs Corundum Fracture
Fracture is an important parameter when you compare Chalcedony and Corundum Physical Properties. It is necessary to understand the significance of these properties, before you compare Chalcedony 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 Chalcedony is Conchoidal, Conchoidal, Splintery, Splintery, Uneven, Uneven and UnevenWalter Schumann. Corundum fracture is Difficult, Fibrous, Gems, Uneven and Uneven.
Chalcedony Vs Corundum Luster
A primary knowledge about Chalcedony 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. Chalcedony exhibits Vitreous luster. Corundum, on other hand, exhibits Adamantine and Vitreous luster.