Mexican fire opal Vs Blue John
Origin
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Color
White, Colorless, Blue, Red, Green, Yellow, Violet
White, Colorless, Blue, Red, Green, Yellow, Violet
Streak
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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
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3.00-3.25
Fracture
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Cleavage
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Mohs Hardness
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Chemical Composition
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CaF 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Luster
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Pleochroism
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Dispersion
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Transparency
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Transparent
Refractive Index
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1.432-1.436
Optic Character
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Crystal System
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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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Mexican fire opal Vs Blue John Fracture
Fracture is an important parameter when you compare Mexican fire opal and Blue John Physical Properties. It is necessary to understand the significance of these properties, before you compare Mexican fire opal 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.
Mexican fire opal Vs Blue John Luster
A primary knowledge about Mexican fire opal 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.