Williamsite Vs Verdelite
Origin
Southern and central Africa
Afghanistan, Brazil, Mozambique, Sri Lanka, USA
Streak
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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
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Solubility
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Durability
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Specific Gravity
2.51-2.63
2.90-3.40
Fracture
Conchoidal, Conchoidal, Handbook of mineralogy (2001)
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
Cleavage
Not Available
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Chemical Composition
(Mg,Fe2+ ) 3Si 2O 5(OH) 4Anthony et al , Handbook of mineralogy (2001)
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
Waxy, Silky, Resinous, Greasy
Not Available
Pleochroism
Not Available
Strong: dark green yellow
Transparency
TranslucentHerve Nicolas Lazzarelli, Blue Chart Gem Identification (2010)
Transparent, Translucent
Refractive Index
1.530-1.575
1.614-1.666
Optic Character
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Crystal System
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Birefringence
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0.014-0.040
Clarity
TranslucentHerve Nicolas Lazzarelli
Transparent
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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Williamsite Vs Verdelite Fracture
Fracture is an important parameter when you compare Williamsite and Verdelite Physical Properties. It is necessary to understand the significance of these properties, before you compare Williamsite Vs Verdelite 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 Williamsite is Conchoidal, Conchoidal and Handbook of mineralogy (2001). Verdelite fracture is ConchoidalArthur Thomas, ConchoidalArthur Thomas, Gemstones (2009) and Gemstones (2009).
Williamsite Vs Verdelite Luster
A primary knowledge about Williamsite vs Verdelite 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. Williamsite exhibits Greasy, Resinous, Silky and Waxy luster.