Anthophyllite Vs Blue John
Origin
Not Available, Southern and central Africa
Not Available
Color
Brown, White, Greenish, gray, Green, Brownish
White, Colorless, Blue, Red, Green, Yellow, Violet
Streak
gray
Not Available
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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Energy
Not Available
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Finger
Not Available
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Ring Metal
Not Available
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Deities
Not Available
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Not to wear with
Not Available
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Powers
Not Available
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Planetary
Not Available
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Talisman
Not Available
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Tenacity
Not Available
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Solubility
Not Available
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Durability
Not Available
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Specific Gravity
2.9-3.5
3.00-3.25
Fracture
Conchoidal, Brittle
Not Available
Cleavage
{110} Perfect, {???} Distinct, {???} Distinct
Not Available
Mohs Hardness
5.5-6
Not Available
Chemical Composition
(Mg,Fe2+ ) 2(Mg,Fe2+ ) 5Si 8O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)
CaF 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Luster
Vitreous, Pearly
Not Available
Pleochroism
When Fe-rich
Not Available
Dispersion
Not Available
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Transparency
Transparent
Transparent
Refractive Index
1.603-1.690
1.432-1.436
Optic Character
Biaxial/+
Not Available
Crystal System
Orthorhombic Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: P nma
Not Available
Birefringence
Not Available
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Clarity
Transparent
Transparent
Neurological
Not Available
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Cardiovascular
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Respiratory
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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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Anthophyllite Vs Blue John Fracture
Fracture is an important parameter when you compare Anthophyllite and Blue John Physical Properties. It is necessary to understand the significance of these properties, before you compare Anthophyllite 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. Fracture observed in Anthophyllite is Conchoidal and Brittle.
Anthophyllite Vs Blue John Luster
A primary knowledge about Anthophyllite 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. Anthophyllite exhibits Vitreous and Pearly luster.