Schorl Vs Pezzottaite
Origin
India, Southern and central Africa, Madagascar
Afghanistan
Color
Black, Brownish, Greenish
White, Colorless, Blue, Red, Green, Yellow, Violet, pink
For which Rashi?
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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
2.90-3.14
Fracture
Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal
Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Brittle
Cleavage
{1011} Indistinct
Imperfect; basal
Mohs Hardness
Not Available
7.5-8
Chemical Composition
Na(Fe2+3)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)
(Be,Cs) 3Al 2Si 6O 18 · 0.5H 2OUlrich Henn and Claudio C.
Pleochroism
Very strong: yellow-brown pale yellow
Moderate dichroic
Dispersion
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Transparency
Transparent, Translucent
Transparent
Refractive Index
1.635-1.672
1.598-1.620
Optic Character
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Crystal System
Not Available
Hexagonal
Birefringence
0.025
0.008-0.011
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 Pezzottaite Fracture
Fracture is an important parameter when you compare Schorl and Pezzottaite Physical Properties. It is necessary to understand the significance of these properties, before you compare Schorl Vs Pezzottaite 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. Pezzottaite fracture is Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009) and Brittle.
Schorl Vs Pezzottaite Luster
A primary knowledge about Schorl vs Pezzottaite 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. Pezzottaite, on other hand, exhibits Vitreous luster.