Rosasite Vs Simpsonite
Color
Blue, Green
Colorless, White, Brownish, Yellow, Brown
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
Brittle
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Solubility
Effervesces in cold
Not Available
Durability
Not Available
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Specific Gravity
4-4.2
Not Available
Fracture
Splintery
ConchoidalAnthony et al, Handbook of mineralogy (2001), ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal
Cleavage
Perfect on {100} and {010}
None
Chemical Composition
Not Available
Al 4(Ta,Nb) 3(O,OH,F) 14Ulrich Henn and Claudio C.
Luster
Silky, Vitreous
Adamantine
Pleochroism
Strong: X = pale emerald green or colourless; Y = dark emerald green or pale blue; Z = dark emerald green or pale blue
NilArthur Thomas
Dispersion
Not Available
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Transparency
Not Available
Gemmological Tables (2004) More from other references
Refractive Index
1.672-1.688
1.994-2.040
Optic Character
Not Available
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Crystal System
monoclinic
Not Available
Birefringence
0.139-0.143
0.046
Clarity
Not Available
Gemmological Tables (2004) More from other references
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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Rosasite Vs Simpsonite Fracture
Fracture is an important parameter when you compare Rosasite and Simpsonite Physical Properties. It is necessary to understand the significance of these properties, before you compare Rosasite Vs Simpsonite 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 Rosasite is Splintery. Simpsonite fracture is Brittle, Conchoidal, ConchoidalAnthony et al, ConchoidalAnthony et al, Handbook of mineralogy (2001) and Handbook of mineralogy (2001).
Rosasite Vs Simpsonite Luster
A primary knowledge about Rosasite vs Simpsonite 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. Rosasite exhibits Silky and Vitreous luster. Simpsonite, on other hand, exhibits Adamantine luster.