Spinel Vs Fayalite
Origin
Brazil, USA, Madagascar, Sri Lanka, Burma, Thailand, Cambodia, Afghanistan, Russia
Southern and central Africa
Color
Blue, Violet, Colorless, Red, Green, Brown
Yellow, Brown, Black
For which Rashi?
Sagittarius, Scorpio
Not Available
Planet
Pluto
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Element of Planets
Not Available
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Energy
Projective
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Finger
Not Available
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Ring Metal
Not Available
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Deities
Hephaestus
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Not to wear with
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Powers
Money
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Planetary
Not Available
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Talisman
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Tenacity
Not Available
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Solubility
none
Not Available
Durability
Not Available
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Specific Gravity
3.64-3.66
4.392
Fracture
Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009)
Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle
Cleavage
None, but may exhibit slight parting
{010} moderate, {100} imperfect
Chemical Composition
MgAl2O4
Fe 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)
Luster
Vitreous
Vitreous, Resinous
Transparency
Transparent, Translucent, Transparent to translucent
TransparentAnthony et al, Handbook of mineralogy (2001)
Refractive Index
1.73
1.827-1.879
Optic Character
Not Available
Not Available
Crystal System
Isometric
Orthorhombic
Birefringence
Not Available
0.042-0.051
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
TransparentAnthony et al
Neurological
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Cardiovascular
Not Available
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Respiratory
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Reproductive
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Digestive
Not Available
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Psychology
Not Available
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Healing
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Qualities Associated
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Spinel Vs Fayalite Fracture
Fracture is an important parameter when you compare Spinel and Fayalite Physical Properties. It is necessary to understand the significance of these properties, before you compare Spinel 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 Spinel is Conchoidal, Uneven, ConchoidalArthur Thomas and Gemstones (2009). Fayalite fracture is Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001) and Brittle.
Spinel Vs Fayalite Luster
A primary knowledge about Spinel 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. Spinel exhibits Vitreous luster. Fayalite, on other hand, exhibits Vitreous and Resinous luster.