Wulfenite Vs Sillimanite
Origin
Austria
USA, Madagascar, India, Sri Lanka, Burma, Australia, Italy, Brazil
Color
Red, Yellow, Brown, orange, gray, Green
Blue, Green, Brownish, Greenish, Colorless, gray
For which Rashi?
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Planet
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Element of Planets
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Energy
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Finger
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Ring Metal
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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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Solubility
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Durability
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Specific Gravity
6.50-7.00
3.20-3.26
Fracture
Irregular, Brittle, Conchoidal
Splintery
Cleavage
On {011}, distinct; on {001}, {013}, indistinct
{010} perfect
Chemical Composition
PbMoO 4Walter Schumann , Gemstones of the world (2001)
Al 2SiO 5Michael OâDonoghue , Gems, Sixth Edition (2006)
Luster
Adamantine, Resinous
Vitreous, Subadamantine, Silky
Pleochroism
Weak
Colourless to pale brown to yellow
Dispersion
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Transparency
Transparent
Transparent, Translucent
Refractive Index
2.280-2.405
1.653-1.685
Optic Character
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Crystal System
tetragonal
Orthorhombic
Birefringence
0.122
0.020-0.022
Clarity
Transparent
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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Wulfenite Vs Sillimanite Fracture
Fracture is an important parameter when you compare Wulfenite and Sillimanite Physical Properties. It is necessary to understand the significance of these properties, before you compare Wulfenite Vs Sillimanite 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 Wulfenite is Irregular, Brittle and Conchoidal. Sillimanite fracture is Splintery.
Wulfenite Vs Sillimanite Luster
A primary knowledge about Wulfenite vs Sillimanite 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. Wulfenite exhibits Adamantine and Resinous luster. Sillimanite, on other hand, exhibits Vitreous, Subadamantine and Silky luster.
