Povondraite Vs Fire Opal
Color
Brownish, Black
Red
Streak
Brown
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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
3.26
1.97-2.22
Fracture
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001)
Conchoidal, Conchoidal, Gemstones of the world (2001)
Cleavage
None
Not Available
Mohs Hardness
Not Available
6-6.5
Chemical Composition
NaFe3+3Fe3+6(BO 3) 3Si 6O 18(O,OH) 4Anthony et al , Handbook of Mineralogy (2001)
SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001) More from other references
Luster
Resinous
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Pleochroism
Strong: yellow-brown
AbsentWalter Schumann
Dispersion
Not Available
None
Transparency
Translucent
Transparent, Translucent
Refractive Index
Not Available
1.370-1.470
Optic Character
Not Available
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Crystal System
Not Available
Amorphous
Birefringence
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Clarity
Translucent
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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Povondraite Vs Fire Opal Fracture
Fracture is an important parameter when you compare Povondraite and Fire Opal Physical Properties. It is necessary to understand the significance of these properties, before you compare Povondraite Vs Fire 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 Povondraite is ConchoidalAnthony et al, Handbook of mineralogy (2001), Uneven and Uneven. Fire Opal fracture is Conchoidal, Conchoidal and Gemstones of the world (2001).
Povondraite Vs Fire Opal Luster
A primary knowledge about Povondraite vs Fire 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. Povondraite exhibits Resinous luster.