Schorl Vs Musgravite
Origin
India, Southern and central Africa, Madagascar
Southern and central Africa
Color
Black, Brownish, Greenish
Grey, Green
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
3.62-3.68
Fracture
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal
Conchoidal
Cleavage
{1011} Indistinct
Not Available
Mohs Hardness
Not Available
8-8.5
Chemical Composition
Na(Fe2+3)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)
(Mg,Fe,Zn)Al 6BeO 12Ulrich Henn and Claudio C.
Pleochroism
Very strong: yellow-brown pale yellow
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Dispersion
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Transparency
Transparent, Translucent
Gemmological Tables (2004)
Refractive Index
1.635-1.672
1.719-1.739
Optic Character
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Crystal System
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Trigonal
Birefringence
0.025
0.014-0.016
Clarity
Transparent
TransparentUlrich Henn and Claudio C. Milisenda
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 Musgravite Fracture
Fracture is an important parameter when you compare Schorl and Musgravite Physical Properties. It is necessary to understand the significance of these properties, before you compare Schorl Vs Musgravite 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. Musgravite fracture is Conchoidal.
Schorl Vs Musgravite Luster
A primary knowledge about Schorl vs Musgravite 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. Musgravite, on other hand, exhibits Vitreous luster.