Leucite Vs Fayalite
Origin
Southern and central Africa
Southern and central Africa
Color
White, Colorless, gray, Yellow
Yellow, Brown, Black, Black
For which Rashi?
Not Available
Not Available
Planet
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Not Available
Element of Planets
Not Available
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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
Brittle
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
2.45-2.50
4.392
Fracture
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle
Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle
Cleavage
Poor on {110}
{010} moderate, {100} imperfect
Mohs Hardness
5.5-6
6.5-7
Chemical Composition
KAlSi 2O 6Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Fe 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)
Luster
Vitreous
Vitreous, Resinous
Pleochroism
Not Available
Faint
Transparency
Gemmological Tables (2004) More from other references
TransparentAnthony et al, Handbook of mineralogy (2001)
Refractive Index
1.504-1.510
1.827-1.879
Optic Character
Not Available
Not Available
Crystal System
tetragonal
Orthorhombic
Birefringence
0.001
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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Leucite Vs Fayalite Fracture
Fracture is an important parameter when you compare Leucite and Fayalite Physical Properties. It is necessary to understand the significance of these properties, before you compare Leucite 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 Leucite is Conchoidal, ConchoidalArthur Thomas, Gemstones (2009) and Brittle. Fayalite fracture is Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal and Brittle.
Leucite Vs Fayalite Luster
A primary knowledge about Leucite 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. Leucite exhibits Vitreous luster. Fayalite, on other hand, exhibits Vitreous and Resinous luster.
