Uvite Vs Achroite
Origin
Sri Lanka
Afghanistan, Sri Lanka
Color
Red, Brown, Black
Colorless, Blue
Streak
Brown
Not Available
For which Rashi?
Not Available
Not Available
Planet
Not Available
Not Available
Element of Planets
Not Available
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Finger
Not Available
Not Available
Ring Metal
Not Available
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Energy
Not Available
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Deities
Not Available
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Not to wear with
Not Available
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Powers
Not Available
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Planetary
Not Available
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Talisman
Not Available
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Tenacity
Not Available
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Solubility
Not Available
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Durability
Not Available
Not Available
Specific Gravity
2.97-3.14
2.90-3.40
Fracture
Uneven, Conchoidal, Brittle
Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001)
Cleavage
{1011} Indistinct
Not Available
Mohs Hardness
Not Available
7-7.5
Chemical Composition
Ca(Mg 3)MgAl 5(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)
Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) Formula given for elbaite.
Luster
Vitreous
Not Available
Pleochroism
Pale yellow colorlessAnthony et al
Not Available
Transparency
Transparent
Transparent, Translucent
Refractive Index
1.614-1.666
1.614-1.666
Optic Character
Not Available
Not Available
Crystal System
Not Available
Not Available
Birefringence
0.014-0.032
0.014-0.040
Clarity
Transparent
Transparent
Neurological
Not Available
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Cardiovascular
Not Available
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Respiratory
Not Available
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Reproductive
Not Available
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Digestive
Not Available
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Psychology
Not Available
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Healing
Not Available
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Qualities Associated
Not Available
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Uvite Vs Achroite Fracture
Fracture is an important parameter when you compare Uvite and Achroite Physical Properties. It is necessary to understand the significance of these properties, before you compare Uvite Vs Achroite 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 Brittle, Conchoidal and Uneven. Achroite fracture is ConchoidalWalter Schumann, Gemstones of the world (2001), Uneven and Uneven.
Uvite Vs Achroite Luster
A primary knowledge about Uvite vs Achroite 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.