Origin
Austria, Brazil, Canada, India, Madagascar, Russia, Sri Lanka, USA
Southern and central Africa
Color
Red, Brown, Brownish, Red, Red, Black, Brown, Brownish, Red, Red, Black, Brown, Brownish, Red, Red, Black
Violet, Brownish, Black, pink, Red, Reddish
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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Solubility
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Durability
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Specific Gravity
3.95-4.30
3.2-3.4
Fracture
Conchoidal, Brittle, Conchoidal, Brittle, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle, Conchoidal
Uneven, UnevenArthur Thomas, Gemstones (2009), Brittle
Cleavage
none
[100] [001] perfect
Mohs Hardness
7-7.5
4-4.5
Chemical Composition
Fe 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
MnPO 4Walter Schumann , Gemstones of the world (2001) More from other references
Luster
Greasy, Vitreous
Not Available
Pleochroism
None
StrongArthur Thomas
Transparency
Gemmological Tables (2004) More from other references
TranslucentWalter Schumann, Gemstones of the world (2001) More from other references
Refractive Index
1.770-1.820
1.85-1.92
Optic Character
Not Available
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Crystal System
cubic
Orthorhombic
Birefringence
Not Available
0.070
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
TranslucentWalter Schumann
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 Purpurite Fracture
Fracture is an important parameter when you compare Almandine and Purpurite Physical Properties. It is necessary to understand the significance of these properties, before you compare Almandine Vs Purpurite 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). Purpurite fracture is Brittle, Gemstones (2009), Uneven and UnevenArthur Thomas.
Almandine Vs Purpurite Luster
A primary knowledge about Almandine vs Purpurite 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.