Polyhalite Vs Riebeckite
Origin
Austria
Not Available
Color
Colorless, White, Red, gray, pink
Black, Blue, Yellow, Green
Streak
White
Grey, Greenish, Brown
For which Rashi?
Not Available
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Planet
Not Available
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Element of Planets
Not Available
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Finger
Not Available
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Ring Metal
Not Available
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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
Soluble
Not Available
Durability
Not Available
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Specific Gravity
2.78
3.28-3.44
Fracture
Conchoidal, Brittle
Uneven, Splintery, Brittle
Cleavage
Perfect on {10 1 }; parting on {010}
Perfect on {110}, intersecting at 56° and 124°; partings on {100} and {010}
Mohs Hardness
3.5
5.0-6.0
Chemical Composition
Not Available
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Luster
Vitreous, Resinous
Vitreous, Silky
Pleochroism
Not Available
X = blue
Dispersion
Not Available
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Transparency
Not Available
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Refractive Index
1.546-1.548
1.680-1.698
Optic Character
Not Available
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Crystal System
Triclinic
monoclinic
Birefringence
0.021
0.005-0.008
Clarity
Not Available
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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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Polyhalite Vs Riebeckite Fracture
Fracture is an important parameter when you compare Polyhalite and Riebeckite Physical Properties. It is necessary to understand the significance of these properties, before you compare Polyhalite Vs Riebeckite 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 Polyhalite is Brittle and Conchoidal. Riebeckite fracture is Brittle, Splintery and Uneven.
Polyhalite Vs Riebeckite Luster
A primary knowledge about Polyhalite vs Riebeckite 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. Polyhalite exhibits Resinous and Vitreous luster. Riebeckite, on other hand, exhibits Silky and Vitreous luster.