Euclase Vs Neptunite
Origin
Brazil, Colombia, Southern and central Africa
USA
Color
Greenish, Blue, Colorless, White, Green
Black, Red, Brown
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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Brittle
Solubility
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Durability
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Specific Gravity
3.08-3.12
3.19-3.23
Fracture
ConchoidalWalter Schumann, Gemstones of the world (2001), ConchoidalWalter Schumann, Gemstones of the world (2001), Brittle, Metallic
Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle
Cleavage
{010} Perfect
{110} good
Chemical Composition
BeAlSiO 4(OH)Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
KNa 2Li(Fe2+ ,Mn2+ ) 2Ti 2Si 8O 24Michael OâDonoghue , Gems, Sixth Edition (2006)
Pleochroism
Weak: colorless-(greenish) yellow
x=yellow-orange
Transparency
Gemmological Tables (2004) More from other references
Translucent
Refractive Index
1.650-1.677
1.692-1.734
Optic Character
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Crystal System
Monoclinic Prismatic H-M Symbol (2/m) Space Group: P 21/a
monoclinic
Birefringence
0.019-0.025
0.0294-0.0452
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Translucent
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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Euclase Vs Neptunite Fracture
Fracture is an important parameter when you compare Euclase and Neptunite Physical Properties. It is necessary to understand the significance of these properties, before you compare Euclase Vs Neptunite 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 Euclase is Brittle, ConchoidalWalter Schumann, ConchoidalWalter Schumann, Gemstones of the world (2001), Gemstones of the world (2001) and Metallic. Neptunite fracture is Brittle, Conchoidal, ConchoidalAnthony et al and Handbook of mineralogy (2001).
Euclase Vs Neptunite Luster
A primary knowledge about Euclase vs Neptunite 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 exhibits Vitreous luster. Neptunite, on other hand, exhibits Vitreous luster.