Fayalite Vs Euclase
Origin
Southern and central Africa
Brazil, Colombia, Southern and central Africa
Color
Yellow, Brown, Black
Greenish, Blue, Colorless, White, Green
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
4.392
3.08-3.12
Fracture
Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle
ConchoidalWalter Schumann, Gemstones of the world (2001), Brittle, Metallic
Cleavage
{010} moderate, {100} imperfect
{010} Perfect
Chemical Composition
Fe 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)
BeAlSiO 4(OH)Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Vitreous, Resinous
Vitreous
Pleochroism
Faint
Weak: colorless-(greenish) yellow
Transparency
TransparentAnthony et al, Handbook of mineralogy (2001)
Gemmological Tables (2004) More from other references
Refractive Index
1.827-1.879
1.650-1.677
Optic Character
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Crystal System
Orthorhombic
Monoclinic Prismatic H-M Symbol (2/m) Space Group: P 21/a
Birefringence
0.042-0.051
0.019-0.025
Clarity
TransparentAnthony et al
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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Fayalite Vs Euclase Fracture
Fracture is an important parameter when you compare Fayalite and Euclase Physical Properties. It is necessary to understand the significance of these properties, before you compare Fayalite 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. Fracture observed in Fayalite is Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001) and Brittle. Euclase fracture is ConchoidalWalter Schumann, Gemstones of the world (2001), Brittle and Metallic.
Fayalite Vs Euclase Luster
A primary knowledge about Fayalite 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. Fayalite exhibits Vitreous and Resinous luster. Euclase, on other hand, exhibits Vitreous luster.