Plumbogummite Vs Blue John
Origin
Australia
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Color
Blue, Grey, Greenish, Yellow, White, gray, Green, Brown
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
Brittle
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Solubility
Soluble
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Durability
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Specific Gravity
4.014
3.00-3.25
Fracture
Uneven, Conchoidal
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Cleavage
None
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Mohs Hardness
4-5
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Chemical Composition
Not Available
CaF 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Luster
Resinous
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Pleochroism
None
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Dispersion
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Transparency
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Transparent
Refractive Index
1.653-1.688
1.432-1.436
Optic Character
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Crystal System
Trigonal
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Birefringence
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Clarity
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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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Plumbogummite Vs Blue John Fracture
Fracture is an important parameter when you compare Plumbogummite and Blue John Physical Properties. It is necessary to understand the significance of these properties, before you compare Plumbogummite 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 Plumbogummite is Conchoidal and Uneven.
Plumbogummite Vs Blue John Luster
A primary knowledge about Plumbogummite 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. Plumbogummite exhibits Resinous luster.