Staurolite Vs Povondraite
Origin
Switzerland
Not Available
Color
Brown, Brownish, Yellow, Black, Reddish
Brownish, Black
For which Rashi?
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Planet
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Element of Planets
Not Available
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Finger
Not Available
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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
Brittle
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Solubility
Not Available
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Durability
Not Available
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Specific Gravity
3.7-3.8
3.26
Fracture
Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001)
Cleavage
Distinct on {010}
None
Mohs Hardness
7-7.5
Not Available
Chemical Composition
(Fe,Mg,Zn) 2Al 9(Si,Al) 4O 22(OH) 2Ulrich Henn and Claudio C.
NaFe3+3Fe3+6(BO 3) 3Si 6O 18(O,OH) 4Anthony et al , Handbook of Mineralogy (2001)
Pleochroism
X = colorless; Y = pale yellow; Z = golden yellow
Strong: yellow-brown
Dispersion
Not Available
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Transparency
Blue Chart Gem Identification (2010) More from other references
Translucent
Refractive Index
1.736-1.762
Not Available
Optic Character
Not Available
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Crystal System
monoclinic
Not Available
Birefringence
0.009-0.015
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Clarity
Blue Chart Gem Identification (2010) More from other references
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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Staurolite Vs Povondraite Fracture
Fracture is an important parameter when you compare Staurolite and Povondraite Physical Properties. It is necessary to understand the significance of these properties, before you compare Staurolite 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 Staurolite is Brittle, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009) and Subconchoidal. Povondraite fracture is ConchoidalAnthony et al, Handbook of mineralogy (2001), Uneven and Uneven.
Staurolite Vs Povondraite Luster
A primary knowledge about Staurolite 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. Staurolite exhibits Resinous luster. Povondraite, on other hand, exhibits Resinous luster.