Cordierite Vs Steatite
Origin
Australia, Brazil, Burma, Canada, India, Madagascar, Sri Lanka, Tanzania
Southern and central Africa
Color
Blue, Violet, Greenish, Brown, Colorless, Colorless, Blue, Violet, Yellow, gray
Greenish
Streak
White
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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
Brittle
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Solubility
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Durability
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Specific Gravity
2.57-2.66
2.20-2.80
Fracture
Subconchoidal, Conchoidal, Brittle
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Cleavage
Fair on {100}, poor on {001} and {010}
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Mohs Hardness
7-7.5
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Chemical Composition
Mg2Al4Si5O18
Mg 3Si 4O 10(OH) 2Gemdat.org , Management Team (2012)
Luster
Greasy, Vitreous
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Pleochroism
X = pale yellow
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Dispersion
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Transparency
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Gemmological Tables (2004)
Refractive Index
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1.539-1.596
Optic Character
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Crystal System
Orthorhombic
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Birefringence
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0.046-0.050
Clarity
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OpaqueUlrich Henn and Claudio C. Milisenda
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 Steatite Fracture
Fracture is an important parameter when you compare Cordierite and Steatite Physical Properties. It is necessary to understand the significance of these properties, before you compare Cordierite Vs Steatite 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.
Cordierite Vs Steatite Luster
A primary knowledge about Cordierite vs Steatite 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.