Blue John Vs Mimetite
Origin
Not Available
Mexico, Southern and central Africa
Color
White, Colorless, Blue, Red, Green, Yellow, Violet
Brownish, Red, Yellow, White, Brown, orange
Streak
Not Available
White
For which Rashi?
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Planet
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Element of Planets
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Energy
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Finger
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Ring Metal
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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
Brittle
Solubility
Not Available
Not Available
Durability
Not Available
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Specific Gravity
3.00-3.25
7.10
Fracture
Not Available
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle
Cleavage
Not Available
[10 1 1] Imperfect
Mohs Hardness
Not Available
3.5
Chemical Composition
CaF 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Pb 5(AsO 4) 3ClMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Not Available
Resinous, Subadamantine
Pleochroism
Not Available
Weak
Dispersion
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Transparency
Transparent
Translucent
Refractive Index
1.432-1.436
2.106-2.263
Optic Character
Not Available
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Crystal System
Not Available
Hexagonal
Birefringence
Not Available
0.019
Clarity
Transparent
Translucent
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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Blue John Vs Mimetite Fracture
Fracture is an important parameter when you compare Blue John and Mimetite Physical Properties. It is necessary to understand the significance of these properties, before you compare Blue John Vs Mimetite 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. Mimetite fracture is Conchoidal, ConchoidalArthur Thomas, Gemstones (2009) and Brittle.
Blue John Vs Mimetite Luster
A primary knowledge about Blue John vs Mimetite 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. Mimetite, on other hand, exhibits Resinous and Subadamantine luster.