Euclase Vs Cavansite
Origin
Brazil, Colombia, Southern and central Africa
India
Color
Greenish, Blue, Colorless, White, Green
Blue, Greenish
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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Durability
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Specific Gravity
3.08-3.12
2.25-2.33
Fracture
ConchoidalWalter Schumann, Gemstones of the world (2001), Brittle, Metallic
Brittle, Metallic
Cleavage
{010} Perfect
Good on {010}
Chemical Composition
BeAlSiO 4(OH)Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Ca(VO)Si4O10•4(H2O)
Luster
Vitreous
Vitreous, Pearly
Pleochroism
Weak: colorless-(greenish) yellow
Visible: X=Z= colorless Y= blue
Transparency
Gemmological Tables (2004) More from other references
Not Available
Refractive Index
1.650-1.677
1.542
Optic Character
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Crystal System
Monoclinic Prismatic H-M Symbol (2/m) Space Group: P 21/a
Orthorhombic
Birefringence
0.019-0.025
0.009
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
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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 Cavansite Fracture
Fracture is an important parameter when you compare Euclase and Cavansite Physical Properties. It is necessary to understand the significance of these properties, before you compare Euclase Vs Cavansite 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 ConchoidalWalter Schumann, Gemstones of the world (2001), Brittle and Metallic. Cavansite fracture is Brittle and Metallic.
Euclase Vs Cavansite Luster
A primary knowledge about Euclase vs Cavansite 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. Cavansite, on other hand, exhibits Vitreous and Pearly luster.