Willemite Vs Cordierite
Origin
Canada
Australia, Brazil, Burma, Canada, India, Madagascar, Sri Lanka, Tanzania
Color
Yellow, Brown, Red, White, Green, Reddish, Black
Blue, Violet, Greenish, Brown, Colorless, Colorless, Blue, Violet, Yellow, 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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Tenacity
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Brittle
Solubility
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Durability
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Specific Gravity
3.89-4.18
2.57-2.66
Fracture
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Uneven
Subconchoidal, Conchoidal, Brittle
Cleavage
{0001}, {11 2 0} imperfect
Fair on {100}, poor on {001} and {010}
Chemical Composition
Zn 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Mg2Al4Si5O18
Luster
Vitreous, Resinous
Greasy, Vitreous
Pleochroism
NilArthur Thomas
X = pale yellow
Dispersion
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Transparency
Transparent, Translucent
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Refractive Index
1.687-1.723
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Optic Character
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Crystal System
Trigonal
Orthorhombic
Birefringence
0.028-0.030
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Clarity
Transparent
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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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Willemite Vs Cordierite Fracture
Fracture is an important parameter when you compare Willemite and Cordierite Physical Properties. It is necessary to understand the significance of these properties, before you compare Willemite Vs Cordierite 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 Willemite is Conchoidal, ConchoidalArthur Thomas, Gemstones (2009) and Uneven. Cordierite fracture is Subconchoidal, Conchoidal and Brittle.
Willemite Vs Cordierite Luster
A primary knowledge about Willemite vs Cordierite 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. Willemite exhibits Vitreous and Resinous luster. Cordierite, on other hand, exhibits Greasy and Vitreous luster.
