Cassiterite Vs Polyhalite
Color
Black, Brownish, Reddish, Brown, Red, Yellow, White, Colorless, Brown, Brownish, Black, Colorless, Green, gray
Colorless, White, Red, gray, pink
Streak
White, Brownish, Brownish, White
White
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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Solubility
insoluble
Soluble
Durability
Not Available
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Specific Gravity
6.86-7.03
2.78
Fracture
Subconchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Irregular
Conchoidal, Brittle
Cleavage
{100} imperfect, {110} indistinct; partings on {111} or {011}
Perfect on {10 1 }; parting on {010}
Chemical Composition
SnO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Not Available
Luster
Adamantine, Greasy
Vitreous, Resinous
Pleochroism
Pleochroic haloes have been observed. Dichroic in yellow
Not Available
Transparency
Transparent, Translucent
Not Available
Refractive Index
1.990-2.105
1.546-1.548
Optic Character
Not Available
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Crystal System
tetragonal
Triclinic
Birefringence
0.096-0.098
0.021
Clarity
Transparent
Not Available
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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Cassiterite Vs Polyhalite Fracture
Fracture is an important parameter when you compare Cassiterite and Polyhalite Physical Properties. It is necessary to understand the significance of these properties, before you compare Cassiterite Vs Polyhalite 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 Cassiterite is ConchoidalArthur Thomas, Gemstones (2009), Irregular, Subconchoidal and Uneven. Polyhalite fracture is Brittle and Conchoidal.
Cassiterite Vs Polyhalite Luster
A primary knowledge about Cassiterite vs Polyhalite 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. Cassiterite exhibits Adamantine and Greasy luster. Polyhalite, on other hand, exhibits Resinous and Vitreous luster.