Simpsonite Vs Pezzottaite
Origin
Australia
Afghanistan
Color
Colorless, White, Brownish, Yellow, Brown
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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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
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2.90-3.14
Fracture
ConchoidalAnthony et al, Handbook of mineralogy (2001), ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal
Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Brittle
Cleavage
None
Imperfect; basal
Mohs Hardness
7-7.5
7.5-8
Chemical Composition
Al 4(Ta,Nb) 3(O,OH,F) 14Ulrich Henn and Claudio C.
(Be,Cs) 3Al 2Si 6O 18 · 0.5H 2OUlrich Henn and Claudio C.
Luster
Adamantine
Vitreous
Pleochroism
NilArthur Thomas
Moderate dichroic
Dispersion
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Transparency
Gemmological Tables (2004) More from other references
Transparent
Refractive Index
1.994-2.040
1.598-1.620
Optic Character
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Crystal System
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Hexagonal
Birefringence
0.046
0.008-0.011
Clarity
Gemmological Tables (2004) More from other references
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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Simpsonite Vs Pezzottaite Fracture
Fracture is an important parameter when you compare Simpsonite and Pezzottaite Physical Properties. It is necessary to understand the significance of these properties, before you compare Simpsonite 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 Simpsonite is Brittle, Conchoidal, ConchoidalAnthony et al, ConchoidalAnthony et al, Handbook of mineralogy (2001) and Handbook of mineralogy (2001). Pezzottaite fracture is Brittle, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009) and Uneven.
Simpsonite Vs Pezzottaite Luster
A primary knowledge about Simpsonite 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. Simpsonite exhibits Adamantine luster. Pezzottaite, on other hand, exhibits Vitreous luster.