Origin
Austria, Brazil, Canada, India, Madagascar, Russia, Sri Lanka, USA
Czech, Mexico, Australia
Color
Red, Brown, Brownish, Red, Red, Black, Brown, Brownish, Red, Red, Black, Brown, Brownish, Red, Red, Black
Red, Colorless, Violet, Red, pink
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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Sectile
Solubility
Not Available
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Durability
Not Available
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Specific Gravity
3.95-4.30
3.06
Fracture
Conchoidal, Brittle, Conchoidal, Brittle, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle, Conchoidal
Sectile Curved shavings or scrapings produced by a knife blade, (e.g. graphite).
Cleavage
none
Perfect on {010}; poor on {100} and { 1 02}.
Mohs Hardness
7-7.5
Not Available
Chemical Composition
Fe 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
Co3(AsO4)2•8(H2O)
Luster
Greasy, Vitreous
Subadamantine, Pearly
Pleochroism
None
Visible: X = pale pinkish to pale rose; Y = pale violet to pale violet-rose; Z = deep red
Transparency
Gemmological Tables (2004) More from other references
Not Available
Refractive Index
1.770-1.820
1.626-1.629
Optic Character
Not Available
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Crystal System
cubic
monoclinic
Birefringence
Not Available
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Clarity
TransparentUlrich Henn and Claudio C. Milisenda
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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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Almandine Vs Erythrite Fracture
Fracture is an important parameter when you compare Almandine and Erythrite Physical Properties. It is necessary to understand the significance of these properties, before you compare Almandine Vs Erythrite 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 Almandine is Brittle, Brittle, Brittle, Conchoidal, Conchoidal, Conchoidal, Conchoidal, ConchoidalArthur Thomas and Gemstones (2009). Erythrite fracture is (e.g. graphite). and Sectile Curved shavings or scrapings produced by a knife blade.
Almandine Vs Erythrite Luster
A primary knowledge about Almandine vs Erythrite 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. Almandine exhibits Greasy and Vitreous luster. Erythrite, on other hand, exhibits Pearly and Subadamantine luster.