Uvite Vs Lazurite
Origin
Sri Lanka
Afghanistan, Southern and central Africa
Color
Red, Brown, Black
Blue, Greenish, Violet
For which Rashi?
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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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Tenacity
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Brittle
Solubility
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Soluble
Durability
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Specific Gravity
2.97-3.14
2.75
Fracture
Uneven, Conchoidal, Brittle
Uneven, UnevenArthur Thomas, Gemstones (2009), Conchoidal, Brittle
Cleavage
{1011} Indistinct
Imperfect on {110}
Mohs Hardness
Not Available
5.5
Chemical Composition
Ca(Mg 3)MgAl 5(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)
(Na,Ca) 8Al 6Si 6O 24(SO 4,S,Cl) 2Ulrich Henn and Claudio C.
Pleochroism
Pale yellow colorlessAnthony et al
Not Available
Transparency
Transparent
Gemmological Tables (2004) More from other references
Refractive Index
1.614-1.666
1.500
Optic Character
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Crystal System
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Isometric
Birefringence
0.014-0.032
Not Available
Clarity
Transparent
Gemmological Tables (2004) More from other references
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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Uvite Vs Lazurite Fracture
Fracture is an important parameter when you compare Uvite and Lazurite Physical Properties. It is necessary to understand the significance of these properties, before you compare Uvite Vs Lazurite 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 Uvite is Uneven, Conchoidal and Brittle. Lazurite fracture is Uneven, UnevenArthur Thomas, Gemstones (2009), Conchoidal and Brittle.
Uvite Vs Lazurite Luster
A primary knowledge about Uvite vs Lazurite 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. Uvite exhibits Vitreous luster. Lazurite, on other hand, exhibits Vitreous luster.