Marcasite Vs Riebeckite
Origin
Southern and central Africa
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Color
Yellow, White
Black, Blue, Yellow, Green
Streak
gray, Brownish, Black
Grey, Greenish, Brown
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
Not Available
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Durability
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Specific Gravity
4.80-4.90
3.28-3.44
Fracture
UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Uneven
Uneven, Splintery, Brittle
Cleavage
{010} Indistinct
Perfect on {110}, intersecting at 56° and 124°; partings on {100} and {010}
Mohs Hardness
6-6.5
5.0-6.0
Chemical Composition
FeS 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Not Available
Luster
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Vitreous, Silky
Pleochroism
NilArthur Thomas
X = blue
Dispersion
Not Available
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Transparency
Gemmological Tables (2004) More from other references
Not Available
Refractive Index
Not Available
1.680-1.698
Optic Character
Not Available
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Crystal System
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monoclinic
Birefringence
Not Available
0.005-0.008
Clarity
Gemmological Tables (2004) More from other references
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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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Marcasite Vs Riebeckite Fracture
Fracture is an important parameter when you compare Marcasite and Riebeckite Physical Properties. It is necessary to understand the significance of these properties, before you compare Marcasite Vs Riebeckite 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 Marcasite is Gemstones (2009), Gemstones (2009), Uneven, UnevenArthur Thomas and UnevenArthur Thomas. Riebeckite fracture is Brittle, Splintery and Uneven.
Marcasite Vs Riebeckite Luster
A primary knowledge about Marcasite vs Riebeckite 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. Riebeckite, on other hand, exhibits Silky and Vitreous luster.