Mellite Vs Povondraite
Origin
Southern and central Africa
Not Available
Color
Brown, Brownish, White, Colorless, Yellow
Brownish, Black
For which Rashi?
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Planet
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Element of Planets
Not Available
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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
Not Available
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Specific Gravity
1.58-1.60
3.26
Fracture
ConchoidalAnthony et al, Handbook of mineralogy (2001), ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001)
Cleavage
{011} Imperfect
None
Mohs Hardness
2
Not Available
Chemical Composition
Al 2(Cl 2O 12) · 18H 2OUlrich Henn and Claudio C.
NaFe3+3Fe3+6(BO 3) 3Si 6O 18(O,OH) 4Anthony et al , Handbook of Mineralogy (2001)
Pleochroism
Weak: yellowish brown yellowAnthony et al
Strong: yellow-brown
Dispersion
Not Available
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Transparency
Gemmological Tables (2004) More from other references
Translucent
Refractive Index
1.509-1.541
Not Available
Optic Character
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Crystal System
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Birefringence
0.030
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Clarity
TransparentUlrich Henn and Claudio C. Milisenda
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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Mellite Vs Povondraite Fracture
Fracture is an important parameter when you compare Mellite and Povondraite Physical Properties. It is necessary to understand the significance of these properties, before you compare Mellite 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 Mellite is Brittle, Conchoidal, ConchoidalAnthony et al, ConchoidalAnthony et al, Handbook of mineralogy (2001) and Handbook of mineralogy (2001). Povondraite fracture is ConchoidalAnthony et al, Handbook of mineralogy (2001), Uneven and Uneven.
Mellite Vs Povondraite Luster
A primary knowledge about Mellite 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. Mellite exhibits Vitreous luster. Povondraite, on other hand, exhibits Resinous luster.