Lazurite Vs Cordierite
Origin
Afghanistan, Southern and central Africa
Australia, Brazil, Burma, Canada, India, Madagascar, Sri Lanka, Tanzania
Color
Blue, Greenish, Violet
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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Solubility
Soluble
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Durability
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Specific Gravity
2.75
2.57-2.66
Fracture
Uneven, UnevenArthur Thomas, Gemstones (2009), Conchoidal, Brittle
Subconchoidal, Conchoidal, Brittle
Cleavage
Imperfect on {110}
Fair on {100}, poor on {001} and {010}
Chemical Composition
(Na,Ca) 8Al 6Si 6O 24(SO 4,S,Cl) 2Ulrich Henn and Claudio C.
Mg2Al4Si5O18
Luster
Vitreous
Greasy, Vitreous
Pleochroism
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X = pale yellow
Dispersion
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Transparency
Gemmological Tables (2004) More from other references
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Refractive Index
1.500
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Optic Character
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Crystal System
Isometric
Orthorhombic
Birefringence
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Clarity
Gemmological Tables (2004) More from other references
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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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Lazurite Vs Cordierite Fracture
Fracture is an important parameter when you compare Lazurite and Cordierite Physical Properties. It is necessary to understand the significance of these properties, before you compare Lazurite 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 Lazurite is Brittle, Conchoidal, Gemstones (2009), Uneven and UnevenArthur Thomas. Cordierite fracture is Brittle, Conchoidal and Subconchoidal.
Lazurite Vs Cordierite Luster
A primary knowledge about Lazurite 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. Lazurite exhibits Vitreous luster. Cordierite, on other hand, exhibits Greasy and Vitreous luster.