Ettringite Vs Vivianite
Origin
Southern and central Africa
Southern and central Africa
Color
Colorless, Yellow, White, Colorless, White
Blue, Green, Colorless
For which Rashi?
Not Available
Not Available
Planet
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Element of Planets
Not Available
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Finger
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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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Tenacity
Not Available
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Solubility
Partially soluble in water
Not Available
Durability
Not Available
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Specific Gravity
1.77
2.64-2.70
Fracture
Not Available
(e.g. graphite).
Cleavage
Perfect on {10 1 0}
{010} Perfect
Mohs Hardness
2-2.5
Not Available
Chemical Composition
Ca 6Al 2(SO 4) 3(OH) 12 26H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)
Fe 3(PO 4) 2 8H 2OUlrich Henn and Claudio C.
Luster
Vitreous
Vitreous, Pearly
Pleochroism
Not Available
Anomalous plechroism is strong with colours deep blue/pale yellowish green/yellowish green.Michael OâDonoghue
Dispersion
Not Available
Not Available
Transparency
Transparent, Translucent
Transparent
Refractive Index
1.470-1.491
1.560-1.640
Optic Character
Not Available
Not Available
Crystal System
Trigonal
Not Available
Birefringence
0.021
0.054-0.075
Clarity
Transparent
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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Ettringite Vs Vivianite Fracture
Fracture is an important parameter when you compare Ettringite and Vivianite Physical Properties. It is necessary to understand the significance of these properties, before you compare Ettringite Vs Vivianite 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. Vivianite fracture is (e.g. graphite)..
Ettringite Vs Vivianite Luster
A primary knowledge about Ettringite vs Vivianite 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. Ettringite exhibits Vitreous luster. Vivianite, on other hand, exhibits Pearly and Vitreous luster.