Oligoclase Vs Omphacite
Origin
Southern and central Africa
Southern and central Africa
Color
Colorless, Brown, Greenish, gray
Green
Streak
White
Greenish, 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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Solubility
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Durability
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Specific Gravity
2.62-2.67
3.16-3.43
Fracture
Gems, Sixth Edition (2006), Uneven
Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal
Cleavage
From the Greek, oligos and kasein, little cleavage.
{110} Good, {110} Good
Chemical Composition
Na(90-70%)Ca(10-30%)(Al,Si)AlSi 2O 8Michael OâDonoghue , Gems, Sixth Edition (2006)
(Ca,Na)(Mg,Fe,Al)Si 2O 6Anthony et al , Handbook of Mineralogy (2001)
Pleochroism
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Weak: colorless -- very pale green -- very pale green
Dispersion
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Transparency
Gemmological Tables (2004)
TranslucentAnthony et al, Handbook of mineralogy (2001)
Refractive Index
1.538-1.550
1.662-1.723
Optic Character
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Crystal System
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Birefringence
0.010
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Clarity
TransparentUlrich Henn and Claudio C. Milisenda
TranslucentAnthony et al
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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Oligoclase Vs Omphacite Fracture
Fracture is an important parameter when you compare Oligoclase and Omphacite Physical Properties. It is necessary to understand the significance of these properties, before you compare Oligoclase Vs Omphacite 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 Oligoclase is Gems, Sixth Edition (2006) and Uneven. Omphacite fracture is Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle and Conchoidal.
Oligoclase Vs Omphacite Luster
A primary knowledge about Oligoclase vs Omphacite 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. Oligoclase exhibits Vitreous luster. Omphacite, on other hand, exhibits Vitreous luster.