Pumpellyite Vs Fayalite
Origin
Southern and central Africa
Southern and central Africa
Color
Green
Yellow, Brown, Black, Black
Streak
Not Available
White
For which Rashi?
Not Available
Not Available
Planet
Not Available
Not Available
Element of Planets
Not Available
Not Available
Finger
Not Available
Not Available
Ring Metal
Not Available
Not Available
Energy
Not Available
Not Available
Deities
Not Available
Not Available
Not to wear with
Not Available
Not Available
Powers
Not Available
Not Available
Planetary
Not Available
Not Available
Talisman
Not Available
Not Available
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
3.20-3.30
4.392
Fracture
Not Available
Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle
Cleavage
Not Available
{010} moderate, {100} imperfect
Chemical Composition
Ca 2(Mg,Fe,Mn,Al) 2(SiO 4)(Si 2O 7)(OH) 2 · H 2OUlrich Henn and Claudio C.
Fe 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)
Luster
Fibrous
Vitreous, Resinous
Pleochroism
Not Available
Faint
Dispersion
Not Available
Not Available
Transparency
Gemmological Tables (2004)
TransparentAnthony et al, Handbook of mineralogy (2001)
Refractive Index
1.674-1.764
1.827-1.879
Optic Character
Not Available
Not Available
Crystal System
monoclinic
Orthorhombic
Birefringence
0.014-0.016
0.042-0.051
Clarity
OpaqueUlrich Henn and Claudio C. Milisenda
TransparentAnthony et al
Neurological
Not Available
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Cardiovascular
Not Available
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Respiratory
Not Available
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Reproductive
Not Available
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Digestive
Not Available
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Psychology
Not Available
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Healing
Not Available
Not Available
Qualities Associated
Not Available
Not Available
Pumpellyite Vs Fayalite Fracture
Fracture is an important parameter when you compare Pumpellyite and Fayalite Physical Properties. It is necessary to understand the significance of these properties, before you compare Pumpellyite 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. Fayalite fracture is Brittle, Conchoidal, Conchoidal, ConchoidalAnthony et al and Handbook of mineralogy (2001).
Pumpellyite Vs Fayalite Luster
A primary knowledge about Pumpellyite 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. Pumpellyite exhibits Fibrous luster. Fayalite, on other hand, exhibits Resinous and Vitreous luster.