Agrellite Vs Blue John
Origin
Canada
Not Available
Color
White, White, Greenish, White, Greenish, White, Greenish
White, Colorless, Blue, Red, Green, Yellow, Violet
Streak
White
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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
2.88
3.00-3.25
Fracture
Not Available
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Cleavage
perfect [110]
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Mohs Hardness
5.5
Not Available
Chemical Composition
NaCa2Si4O10F
CaF 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Luster
Pearly
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Pleochroism
colorless.
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Dispersion
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Transparency
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Transparent
Refractive Index
1.567
1.432-1.436
Optic Character
Not Available
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Crystal System
Triclinic
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Birefringence
0.014
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Clarity
Not Available
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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Agrellite Vs Blue John Fracture
Fracture is an important parameter when you compare Agrellite and Blue John Physical Properties. It is necessary to understand the significance of these properties, before you compare Agrellite Vs Blue John 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.
Agrellite Vs Blue John Luster
A primary knowledge about Agrellite vs Blue John 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. Agrellite exhibits Pearly luster.