Fayalite Vs Poldervaartite
Origin
Southern and central Africa
Southern and central Africa
Color
Yellow, Brown, Black, Black
Colorless, White
For which Rashi?
Not Available
Not Available
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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Solubility
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Durability
Not Available
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Specific Gravity
4.392
2.91
Fracture
Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle
Handbook of mineralogy (2001)
Cleavage
{010} moderate, {100} imperfect
None
Mohs Hardness
6.5-7
Not Available
Chemical Composition
Fe 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)
(Ca,Mn2+ ) 2(SiO 3OH)(OH)Anthony et al , Handbook of Mineralogy (2001)
Luster
Vitreous, Resinous
Vitreous
Pleochroism
Faint
Weak: colorless light gray bluish grayAnthony et al
Dispersion
Not Available
Not Available
Transparency
TransparentAnthony et al, Handbook of mineralogy (2001)
Transparent
Refractive Index
1.827-1.879
1.634-1.656
Optic Character
Not Available
Not Available
Crystal System
Orthorhombic
Not Available
Birefringence
0.042-0.051
Not Available
Clarity
TransparentAnthony et al
Transparent
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 Poldervaartite Fracture
Fracture is an important parameter when you compare Fayalite and Poldervaartite Physical Properties. It is necessary to understand the significance of these properties, before you compare Fayalite Vs Poldervaartite 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). Poldervaartite fracture is Handbook of mineralogy (2001).
Fayalite Vs Poldervaartite Luster
A primary knowledge about Fayalite vs Poldervaartite 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. Poldervaartite, on other hand, exhibits Vitreous luster.