Afghanite Vs Cordierite
Origin
Afghanistan, Italy
Australia, Brazil, Burma, Canada, India, Madagascar, Sri Lanka, Tanzania
Color
Blue, Blue, Colorless, Blue, Colorless
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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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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Brittle
Solubility
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Durability
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Specific Gravity
2.55-2.65
2.57-2.66
Fracture
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle, Conchoidal, Brittle
Subconchoidal, Conchoidal, Brittle
Cleavage
Perfect {10 1 0}
Fair on {100}, poor on {001} and {010}
Mohs Hardness
5.5-6
7-7.5
Chemical Composition
(Na,Ca,K) 8(Si,Al) 12O 24(SO 4,Cl,CO 3) 3(H 2O)Arthur Thomas , Gemstones (2009)
Mg2Al4Si5O18
Luster
Vitreous
Greasy, Vitreous
Pleochroism
Not Available
X = pale yellow
Dispersion
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Transparency
Transparent, Gemstones (2009)
Not Available
Refractive Index
1.523
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Optic Character
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Crystal System
Trigonal
Orthorhombic
Birefringence
0.006
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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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Afghanite Vs Cordierite Fracture
Fracture is an important parameter when you compare Afghanite and Cordierite Physical Properties. It is necessary to understand the significance of these properties, before you compare Afghanite 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 Afghanite is Brittle, Brittle, Conchoidal, Conchoidal, Conchoidal, ConchoidalArthur Thomas and Gemstones (2009). Cordierite fracture is Brittle, Conchoidal and Subconchoidal.
Afghanite Vs Cordierite Luster
A primary knowledge about Afghanite 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. Afghanite exhibits Vitreous luster. Cordierite, on other hand, exhibits Greasy and Vitreous luster.