Cordierite Iolite Vs Andean Opal
Origin
Canada, Madagascar, Southern and central Africa, Sri Lanka, USA
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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
2.56-2.66
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Fracture
Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001)
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Cleavage
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Mohs Hardness
7-7.5
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Chemical Composition
Mg 2Al 4Si 5O 18Ulrich Henn and Claudio C.
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Luster
Vitreous
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Pleochroism
Strong trichroism: colorless to yellowish
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Transparency
Transparent
Transparent
Refractive Index
1.542-1.578
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Optic Character
Biaxial/+
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Crystal System
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Birefringence
0.008-0.012
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Clarity
Transparent
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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Cordierite Iolite Vs Andean Opal Fracture
Fracture is an important parameter when you compare Cordierite Iolite and Andean Opal Physical Properties. It is necessary to understand the significance of these properties, before you compare Cordierite Iolite Vs Andean Opal 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 Cordierite Iolite is ConchoidalWalter Schumann, Gemstones of the world (2001), Uneven and Uneven.
Cordierite Iolite Vs Andean Opal Luster
A primary knowledge about Cordierite Iolite vs Andean Opal 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. Cordierite Iolite exhibits Vitreous luster.