Vivianite Vs Chlorastrolite
Origin
Southern and central Africa
USA
Color
Blue, Green, Colorless
Green
Streak
White
Not Available
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
2.64-2.70
3.1-3.5
Fracture
(e.g. graphite).
Granular
Cleavage
{010} Perfect
Not Available
Mohs Hardness
Not Available
5-6
Chemical Composition
Fe 3(PO 4) 2 8H 2OUlrich Henn and Claudio C.
Ca 2(Mg,Fe)Al 2(SiO 4)(Si 2O 7)(OH) 2 · H 2O)Arthur Thomas , Gemstones (2009)
Luster
Vitreous, Pearly
Chatoyant
Pleochroism
Anomalous plechroism is strong with colours deep blue/pale yellowish green/yellowish green.Michael OâDonoghue
NilArthur Thomas
Dispersion
Not Available
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Transparency
Transparent
Gems
Refractive Index
1.560-1.640
1.7
Optic Character
Not Available
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Crystal System
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Birefringence
0.054-0.075
0.010
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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Vivianite Vs Chlorastrolite Fracture
Fracture is an important parameter when you compare Vivianite and Chlorastrolite Physical Properties. It is necessary to understand the significance of these properties, before you compare Vivianite Vs Chlorastrolite 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 Vivianite is (e.g. graphite).. Chlorastrolite fracture is Granular.
Vivianite Vs Chlorastrolite Luster
A primary knowledge about Vivianite vs Chlorastrolite 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. Vivianite exhibits Pearly and Vitreous luster. Chlorastrolite, on other hand, exhibits Chatoyant luster.