Blue spinel Vs Euclase
Origin
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Brazil, Colombia, Southern and central Africa
Color
White, Colorless, Blue, Red, Green, Yellow, Violet
Greenish, Blue, Colorless, White, Green
Streak
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White
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
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3.08-3.12
Fracture
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ConchoidalWalter Schumann, Gemstones of the world (2001), ConchoidalWalter Schumann, Gemstones of the world (2001), Brittle, Metallic
Cleavage
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{010} Perfect
Mohs Hardness
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7.5
Chemical Composition
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BeAlSiO 4(OH)Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
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Vitreous
Pleochroism
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Weak: colorless-(greenish) yellow
Transparency
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Gemmological Tables (2004) More from other references
Refractive Index
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1.650-1.677
Optic Character
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Crystal System
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Monoclinic Prismatic H-M Symbol (2/m) Space Group: P 21/a
Birefringence
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0.019-0.025
Clarity
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TransparentUlrich Henn and Claudio C. Milisenda
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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Blue spinel Vs Euclase Fracture
Fracture is an important parameter when you compare Blue spinel and Euclase Physical Properties. It is necessary to understand the significance of these properties, before you compare Blue spinel Vs Euclase 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. Euclase fracture is Brittle, ConchoidalWalter Schumann, ConchoidalWalter Schumann, Gemstones of the world (2001), Gemstones of the world (2001) and Metallic.
Blue spinel Vs Euclase Luster
A primary knowledge about Blue spinel vs Euclase 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. Euclase, on other hand, exhibits Vitreous luster.