Precious Opal Vs Povondraite
Origin
Australia
Not Available
Color
Yellow, Green, Blue
Brownish, Black
Streak
Not Available
Brown
For which Rashi?
Not Available
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Planet
Not Available
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Element of Planets
Not Available
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Finger
Not Available
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Ring Metal
Not Available
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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
Not Available
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Talisman
Not Available
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Tenacity
Not Available
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Solubility
Not Available
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Durability
Not Available
Not Available
Specific Gravity
1.98-2.25
3.26
Fracture
Conchoidal, Conchoidal, Gemstones of the world (2001) More from other references
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001)
Cleavage
Not Available
None
Mohs Hardness
5-6.5
Not Available
Chemical Composition
SiO 2 · nH 2OGemdat.org , Management Team (2012)
NaFe3+3Fe3+6(BO 3) 3Si 6O 18(O,OH) 4Anthony et al , Handbook of Mineralogy (2001)
Luster
Not Available
Resinous
Pleochroism
AbsentWalter Schumann
Strong: yellow-brown
Dispersion
None
Not Available
Transparency
Transparent, Translucent
Translucent
Refractive Index
1.370-1.470
Not Available
Optic Character
Not Available
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Crystal System
Not Available
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Birefringence
Not Available
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Clarity
Transparent
Translucent
Neurological
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Cardiovascular
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Respiratory
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Reproductive
Not Available
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Digestive
Not Available
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Psychology
Not Available
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Healing
Not Available
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Qualities Associated
Not Available
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Precious Opal Vs Povondraite Fracture
Fracture is an important parameter when you compare Precious Opal and Povondraite Physical Properties. It is necessary to understand the significance of these properties, before you compare Precious Opal Vs Povondraite 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 Precious Opal is Conchoidal, Conchoidal and Gemstones of the world (2001) More from other references. Povondraite fracture is ConchoidalAnthony et al, Handbook of mineralogy (2001), Uneven and Uneven.
Precious Opal Vs Povondraite Luster
A primary knowledge about Precious Opal vs Povondraite 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. Povondraite, on other hand, exhibits Resinous luster.