Hurlbutite Vs Blue John
Color
Colorless, Greenish, White, Yellow
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
Not Available
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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
Not Available
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Durability
Not Available
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Specific Gravity
2.90
3.00-3.25
Fracture
ConchoidalAnthony et al, Handbook of mineralogy (2001), ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal
Not Available
Cleavage
None
Not Available
Mohs Hardness
6
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Chemical Composition
CaBe 2(PO 4) 2Michael OâDonoghue , Gems, Sixth Edition (2006)
CaF 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Luster
Vitreous
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Pleochroism
Not Available
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Dispersion
Not Available
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Transparency
Transparent
Transparent
Refractive Index
1.595-1.604
1.432-1.436
Optic Character
Not Available
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Crystal System
Monoclinic Prismatic H-M Symbol (2/m) Space Group: P 21/a
Not Available
Birefringence
0.009
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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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Hurlbutite Vs Blue John Fracture
Fracture is an important parameter when you compare Hurlbutite and Blue John Physical Properties. It is necessary to understand the significance of these properties, before you compare Hurlbutite 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 Hurlbutite is Brittle, Conchoidal, ConchoidalAnthony et al, ConchoidalAnthony et al, Handbook of mineralogy (2001) and Handbook of mineralogy (2001).
Hurlbutite Vs Blue John Luster
A primary knowledge about Hurlbutite 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. Hurlbutite exhibits Vitreous luster.