Mellite Vs Fayalite
Origin
Southern and central Africa
Southern and central Africa
Color
Brown, Brownish, White, Colorless, Yellow
Yellow, Brown, Black
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
1.58-1.60
4.392
Fracture
ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle
Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle
Cleavage
{011} Imperfect
{010} moderate, {100} imperfect
Chemical Composition
Al 2(Cl 2O 12) · 18H 2OUlrich Henn and Claudio C.
Fe 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)
Luster
Vitreous
Vitreous, Resinous
Pleochroism
Weak: yellowish brown yellowAnthony et al
Faint
Dispersion
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Transparency
Gemmological Tables (2004) More from other references
TransparentAnthony et al, Handbook of mineralogy (2001)
Refractive Index
1.509-1.541
1.827-1.879
Optic Character
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Crystal System
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Orthorhombic
Birefringence
0.030
0.042-0.051
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
TransparentAnthony et al
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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Mellite Vs Fayalite Fracture
Fracture is an important parameter when you compare Mellite and Fayalite Physical Properties. It is necessary to understand the significance of these properties, before you compare Mellite Vs Fayalite 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 Mellite is ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal and Brittle. Fayalite fracture is Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001) and Brittle.
Mellite Vs Fayalite Luster
A primary knowledge about Mellite vs Fayalite 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. Mellite exhibits Vitreous luster. Fayalite, on other hand, exhibits Vitreous and Resinous luster.