Omphacite Vs Mimetite
Origin
Southern and central Africa
Mexico, Southern and central Africa
Color
Green
Brownish, Red, Yellow, White, Brown, orange
Streak
Greenish, White
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
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Brittle
Solubility
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Durability
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Specific Gravity
3.16-3.43
7.10
Fracture
Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle
Cleavage
{110} Good, {110} Good
[10 1 1] Imperfect
Chemical Composition
(Ca,Na)(Mg,Fe,Al)Si 2O 6Anthony et al , Handbook of Mineralogy (2001)
Pb 5(AsO 4) 3ClMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Vitreous
Resinous, Subadamantine
Pleochroism
Weak: colorless -- very pale green -- very pale green
Weak
Dispersion
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Transparency
TranslucentAnthony et al, Handbook of mineralogy (2001)
Translucent
Refractive Index
1.662-1.723
2.106-2.263
Optic Character
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Crystal System
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Hexagonal
Birefringence
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0.019
Clarity
TranslucentAnthony et al
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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Omphacite Vs Mimetite Fracture
Fracture is an important parameter when you compare Omphacite and Mimetite Physical Properties. It is necessary to understand the significance of these properties, before you compare Omphacite 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. Fracture observed in Omphacite is Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle and Conchoidal. Mimetite fracture is Conchoidal, ConchoidalArthur Thomas, Gemstones (2009) and Brittle.
Omphacite Vs Mimetite Luster
A primary knowledge about Omphacite 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. Omphacite exhibits Vitreous luster. Mimetite, on other hand, exhibits Resinous and Subadamantine luster.