Sheen Obsidian Vs Povondraite
Origin
Southern and central Africa
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Color
Black
Brownish, Black
Streak
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Brown
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
2.33-2.50
3.26
Fracture
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001)
Cleavage
Not Available
None
Mohs Hardness
5-5.5
Not Available
Chemical Composition
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NaFe3+3Fe3+6(BO 3) 3Si 6O 18(O,OH) 4Anthony et al , Handbook of Mineralogy (2001)
Luster
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Resinous
Pleochroism
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Strong: yellow-brown
Dispersion
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Transparency
Transparent, Translucent
Translucent
Refractive Index
1.450-1.550
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Optic Character
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Crystal System
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Birefringence
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Clarity
Transparent
Translucent
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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Sheen Obsidian Vs Povondraite Fracture
Fracture is an important parameter when you compare Sheen Obsidian and Povondraite Physical Properties. It is necessary to understand the significance of these properties, before you compare Sheen Obsidian 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 Sheen Obsidian is ConchoidalArthur Thomas, ConchoidalArthur Thomas, Gemstones (2009) and Gemstones (2009). Povondraite fracture is ConchoidalAnthony et al, Handbook of mineralogy (2001), Uneven and Uneven.
Sheen Obsidian Vs Povondraite Luster
A primary knowledge about Sheen Obsidian 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.