Schorl Vs Feldspar
Origin
India, Southern and central Africa, Madagascar
Southern and central Africa
Color
Black, Brownish, Greenish
Yellow, Green
For which Rashi?
Not Available
Not Available
Planet
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Element of Planets
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Energy
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Finger
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Ring Metal
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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
Not Available
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Specific Gravity
3.18-3.22
2.56-2.75
Fracture
Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal
Uneven, Conchoidal, Gemstones of the world (2001)
Cleavage
{1011} Indistinct
two or three
Mohs Hardness
Not Available
6-6.5
Chemical Composition
Na(Fe2+3)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)
Not Available
Pleochroism
Very strong: yellow-brown pale yellow
None
Dispersion
Not Available
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Transparency
Transparent, Translucent
Transparent, Translucent
Refractive Index
1.635-1.672
1.518-1.570
Optic Character
Not Available
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Crystal System
Not Available
Triclinic or monoclinic
Birefringence
0.025
0.008-0.010
Clarity
Transparent
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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Schorl Vs Feldspar Fracture
Fracture is an important parameter when you compare Schorl and Feldspar Physical Properties. It is necessary to understand the significance of these properties, before you compare Schorl Vs Feldspar 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 Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle and Conchoidal. Feldspar fracture is Uneven, Conchoidal and Gemstones of the world (2001).
Schorl Vs Feldspar Luster
A primary knowledge about Schorl vs Feldspar 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. Feldspar, on other hand, exhibits Vitreous luster.
