Common Opal Vs Nepouite
Origin
Southern and central Africa
Australia, Austria, Czech, Italy
Color
White, Colorless, Blue, Red, Green, Yellow, Violet
Green, Brownish
Streak
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Greenish, White
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
1.98-2.50
3.18-3.24
Fracture
Conchoidal, Conchoidal, Gemstones of the world (2001)
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Cleavage
Not Available
perfect on {001}
Chemical Composition
SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)
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Luster
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Waxy, Pearly
Pleochroism
AbsentWalter Schumann
Weak
Dispersion
None
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Transparency
Translucent
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Refractive Index
1.37-1.52
1.600-1.630
Optic Character
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Crystal System
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Orthorhombic
Birefringence
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Clarity
Translucent
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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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Common Opal Vs Nepouite Fracture
Fracture is an important parameter when you compare Common Opal and Nepouite Physical Properties. It is necessary to understand the significance of these properties, before you compare Common Opal Vs Nepouite 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 Common Opal is Conchoidal, Conchoidal and Gemstones of the world (2001).
Common Opal Vs Nepouite Luster
A primary knowledge about Common Opal vs Nepouite 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. Nepouite, on other hand, exhibits Pearly and Waxy luster.