Almandine Vs Mottramite
Origin
Austria, Brazil, Canada, India, Madagascar, Russia, Sri Lanka, USA
Not Available
Color
Red, Brown, Brownish, Red, Red, Black, Brown, Brownish, Red, Red, Black, Brown, Brownish, Red, Red, Black
Brown, Green, Yellow
Streak
White
Green, Brownish
For which Rashi?
Not Available
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Planet
Not Available
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Element of Planets
Not Available
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Finger
Not Available
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Ring Metal
Not Available
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Energy
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Deities
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Not to wear with
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Powers
Not Available
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Planetary
Not Available
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Talisman
Not Available
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Tenacity
Not Available
Brittle
Solubility
Not Available
Soluble
Durability
Not Available
Not Available
Specific Gravity
3.95-4.30
5.9
Fracture
Conchoidal, Brittle, Conchoidal, Brittle, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle, Conchoidal
Sub-Conchoidal, Brittle, Metallic
Cleavage
none
None observed
Chemical Composition
Fe 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
Not Available
Luster
Greasy, Vitreous
Greasy
Pleochroism
None
Visible X=Y= canary yellow to greenish yellow
Transparency
Gemmological Tables (2004) More from other references
Not Available
Refractive Index
1.770-1.820
2.170
Optic Character
Not Available
Not Available
Crystal System
cubic
Orthorhombic
Birefringence
Not Available
0.150
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Not Available
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
Not Available
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Almandine Vs Mottramite Fracture
Fracture is an important parameter when you compare Almandine and Mottramite Physical Properties. It is necessary to understand the significance of these properties, before you compare Almandine Vs Mottramite 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). Mottramite fracture is Brittle, Metallic and Sub-Conchoidal.
Almandine Vs Mottramite Luster
A primary knowledge about Almandine vs Mottramite 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. Mottramite, on other hand, exhibits Greasy luster.