Origin
Australia, Brazil, Burma, Canada, India, Madagascar, Sri Lanka, Tanzania
Not Available
Color
Blue, Violet, Greenish, Brown, Colorless, Colorless, Blue, Violet, Yellow, gray
Green, Yellow, Brown, White, Colorless, Blue, 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
insoluble
Durability
Not Available
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Specific Gravity
2.57-2.66
2.36
Fracture
Subconchoidal, Conchoidal, Brittle
Uneven, Subconchoidal, UnevenArthur Thomas, Fibrous
Cleavage
Fair on {100}, poor on {001} and {010}
[110] perfect, [101] good, [010] distinct
Mohs Hardness
7-7.5
3.5-4
Chemical Composition
Mg2Al4Si5O18
Al 3(PO 4) 2(OH,F) 3 · 5H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Greasy, Vitreous
Vitreous, Resinous, Pearly
Pleochroism
X = pale yellow
Weak
Dispersion
Not Available
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Transparency
Not Available
Gems
Refractive Index
Not Available
1.518-1.561
Optic Character
Not Available
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Crystal System
Orthorhombic
Orthorhombic
Birefringence
Not Available
0.025
Clarity
Not Available
Gems
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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Cordierite Vs Wavellite Fracture
Fracture is an important parameter when you compare Cordierite and Wavellite Physical Properties. It is necessary to understand the significance of these properties, before you compare Cordierite Vs Wavellite 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 Cordierite is Brittle, Conchoidal and Subconchoidal. Wavellite fracture is Fibrous, Subconchoidal, Uneven and UnevenArthur Thomas.
Cordierite Vs Wavellite Luster
A primary knowledge about Cordierite vs Wavellite 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. Cordierite exhibits Greasy and Vitreous luster. Wavellite, on other hand, exhibits Pearly, Resinous and Vitreous luster.