Euclase Vs Poldervaartite
Origin
Brazil, Colombia, Southern and central Africa
Southern and central Africa
Color
Greenish, Blue, Colorless, White, Green
Colorless, White
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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Solubility
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Durability
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Specific Gravity
3.08-3.12
2.91
Fracture
ConchoidalWalter Schumann, Gemstones of the world (2001), ConchoidalWalter Schumann, Gemstones of the world (2001), Brittle, Metallic
Handbook of mineralogy (2001)
Cleavage
{010} Perfect
None
Mohs Hardness
7.5
Not Available
Chemical Composition
BeAlSiO 4(OH)Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
(Ca,Mn2+ ) 2(SiO 3OH)(OH)Anthony et al , Handbook of Mineralogy (2001)
Pleochroism
Weak: colorless-(greenish) yellow
Weak: colorless light gray bluish grayAnthony et al
Transparency
Gemmological Tables (2004) More from other references
Transparent
Refractive Index
1.650-1.677
1.634-1.656
Optic Character
Not Available
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Crystal System
Monoclinic Prismatic H-M Symbol (2/m) Space Group: P 21/a
Not Available
Birefringence
0.019-0.025
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Clarity
TransparentUlrich Henn and Claudio C. Milisenda
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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Euclase Vs Poldervaartite Fracture
Fracture is an important parameter when you compare Euclase and Poldervaartite Physical Properties. It is necessary to understand the significance of these properties, before you compare Euclase Vs Poldervaartite 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), ConchoidalWalter Schumann, Gemstones of the world (2001), Brittle and Metallic. Poldervaartite fracture is Handbook of mineralogy (2001).
Euclase Vs Poldervaartite Luster
A primary knowledge about Euclase vs Poldervaartite 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. Poldervaartite, on other hand, exhibits Vitreous luster.
