Agate Vs Vivianite
Origin
Brazil
Southern and central Africa
Color
Yellow, Red, White, White, Colorless, Blue, Red, Green, Yellow, pink, Black, Blue, Brown
Blue, Green, Colorless
For which Rashi?
Gemini
Not Available
Planet
Not Available
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Element of Planets
Water
Not Available
Energy
Projective
Not Available
Finger
Not Available
Not Available
Ring Metal
Not Available
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Deities
Bragi
Not Available
Not to wear with
Not Available
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Powers
Courage, Love, Healing, Protection
Not Available
Planetary
Not Available
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Talisman
Not Available
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Tenacity
Not Available
Not Available
Solubility
Not Available
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Durability
Not Available
Not Available
Specific Gravity
2.60-2.64
2.64-2.70
Fracture
Conchoidal, UnevenWalter Schumann, Gemstones of the world (2001)
(e.g. graphite).
Cleavage
Indiscernible
{010} Perfect
Mohs Hardness
6.5-7
Not Available
Chemical Composition
SiO2
Fe 3(PO 4) 2 8H 2OUlrich Henn and Claudio C.
Luster
Vitreous
Vitreous, Pearly
Pleochroism
Absent
Anomalous plechroism is strong with colours deep blue/pale yellowish green/yellowish green.Michael OâDonoghue
Dispersion
None
Not Available
Transparency
Translucent
Transparent
Refractive Index
1.530-1.543
1.560-1.640
Optic Character
Not Available
Not Available
Crystal System
Trigonal
Not Available
Birefringence
0.004
0.054-0.075
Clarity
Translucent
Transparent
Neurological
Not Available
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Cardiovascular
Not Available
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Respiratory
Not Available
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Reproductive
Not Available
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Digestive
Not Available
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Psychology
Not Available
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Healing
Not Available
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Qualities Associated
Not Available
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Agate Vs Vivianite Fracture
Fracture is an important parameter when you compare Agate and Vivianite Physical Properties. It is necessary to understand the significance of these properties, before you compare Agate 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. Fracture observed in Agate is Conchoidal, UnevenWalter Schumann and Gemstones of the world (2001). Vivianite fracture is (e.g. graphite)..
Agate Vs Vivianite Luster
A primary knowledge about Agate 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. Agate exhibits Vitreous luster. Vivianite, on other hand, exhibits Vitreous and Pearly luster.
