Schorl Vs Sardonyx
Origin
India, Southern and central Africa, Madagascar
Southern and central Africa
Color
Black, Brownish, Greenish
White, Colorless, Blue, Red, Green, Yellow, Violet
Streak
Brown
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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
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Solubility
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Durability
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Specific Gravity
3.18-3.22
2.55-2.70
Fracture
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal
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Cleavage
{1011} Indistinct
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Mohs Hardness
Not Available
6.5-7
Chemical Composition
Na(Fe2+3)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)
SiO 2Ulrich Henn and Claudio C.
Luster
Vitreous
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Pleochroism
Very strong: yellow-brown pale yellow
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Dispersion
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Transparency
Transparent, Translucent
Translucent
Refractive Index
1.635-1.672
1.530-1.543
Optic Character
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Crystal System
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Birefringence
0.025
0.008-0.010
Clarity
Transparent
Translucent
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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Schorl Vs Sardonyx Fracture
Fracture is an important parameter when you compare Schorl and Sardonyx Physical Properties. It is necessary to understand the significance of these properties, before you compare Schorl Vs Sardonyx 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 Schorl is Brittle, Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Uneven and Uneven.
Schorl Vs Sardonyx Luster
A primary knowledge about Schorl vs Sardonyx 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. Schorl exhibits Vitreous luster.