Fayalite Vs Brookite
Origin
Southern and central Africa
Russia
Color
Yellow, Brown, Black, Black
Red, Reddish, Brown, Black, Brown, Reddish, orange
For which Rashi?
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Planet
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Element of Planets
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Finger
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Ring Metal
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Energy
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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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Brittle
Solubility
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Durability
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Specific Gravity
4.392
3.87-4.14
Fracture
Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle
Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle
Cleavage
{010} moderate, {100} imperfect
Poor on {120}, in traces on {001}
Mohs Hardness
6.5-7
5.5-6
Chemical Composition
Fe 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)
TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Vitreous, Resinous
Adamantine
Pleochroism
Faint
Very weak
Dispersion
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Transparency
TransparentAnthony et al, Handbook of mineralogy (2001)
Gemmological Tables (2004) More from other references
Refractive Index
1.827-1.879
2.583-2.741
Optic Character
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Crystal System
Orthorhombic
Orthorhombic
Birefringence
0.042-0.051
0.117
Clarity
TransparentAnthony et al
Gemmological Tables (2004) More from other references
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 Brookite Fracture
Fracture is an important parameter when you compare Fayalite and Brookite Physical Properties. It is necessary to understand the significance of these properties, before you compare Fayalite Vs Brookite 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 Brittle, Conchoidal, Conchoidal, ConchoidalAnthony et al and Handbook of mineralogy (2001). Brookite fracture is Brittle, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009) and Subconchoidal.
Fayalite Vs Brookite Luster
A primary knowledge about Fayalite vs Brookite 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 Resinous and Vitreous luster. Brookite, on other hand, exhibits Adamantine luster.