Lazurite Vs Cuprite
Origin
Afghanistan, Southern and central Africa
Southern and central Africa
Color
Blue, Greenish, Violet
Red, Brown, Black
Streak
Blue, White
Brownish, Red
For which Rashi?
Not Available
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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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Solubility
Soluble
Not Available
Durability
Not Available
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Specific Gravity
2.75
5.85-6.15
Fracture
Uneven, UnevenArthur Thomas, Gemstones (2009), Conchoidal, Brittle
Conchoidal, Metallic, UnevenArthur Thomas, Gemstones (2009), Brittle
Cleavage
Imperfect on {110}
Fair in four directions forming octahedrons
Chemical Composition
(Na,Ca) 8Al 6Si 6O 24(SO 4,S,Cl) 2Ulrich Henn and Claudio C.
Cu 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Vitreous
Adamantine
Pleochroism
Not Available
visible
Dispersion
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Transparency
Gemmological Tables (2004) More from other references
TranslucentWalter Schumann
Refractive Index
1.500
2.849
Optic Character
Not Available
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Crystal System
Isometric
cubic
Birefringence
Not Available
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Clarity
Gemmological Tables (2004) More from other references
TranslucentWalter Schumann
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 Cuprite Fracture
Fracture is an important parameter when you compare Lazurite and Cuprite Physical Properties. It is necessary to understand the significance of these properties, before you compare Lazurite Vs Cuprite 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 Uneven, UnevenArthur Thomas, Gemstones (2009), Conchoidal and Brittle. Cuprite fracture is Conchoidal, Metallic, UnevenArthur Thomas, Gemstones (2009) and Brittle.
Lazurite Vs Cuprite Luster
A primary knowledge about Lazurite vs Cuprite 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. Cuprite, on other hand, exhibits Adamantine luster.