Jacobsite Vs Leucite
Origin
Southern and central Africa
Southern and central Africa
Color
Black, Brownish, White, Brown
White, Colorless, gray, Yellow
Streak
Reddish, Black
White
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
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Durability
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Specific Gravity
4.76-5.03
2.45-2.50
Fracture
Conchoidal, Brittle
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle
Cleavage
None
Poor on {110}
Mohs Hardness
5.5-6.5
5.5-6
Chemical Composition
(Mn2+ ,Fe2+ ,Mg)(Fe3+ ,Mn3+ ) 2O 4Anthony et al , Handbook of mineralogy (2001)
KAlSi 2O 6Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
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Vitreous
Pleochroism
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Transparency
Translucent
Gemmological Tables (2004) More from other references
Refractive Index
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1.504-1.510
Optic Character
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Crystal System
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tetragonal
Birefringence
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0.001
Clarity
Translucent
TransparentUlrich Henn and Claudio C. Milisenda
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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Jacobsite Vs Leucite Fracture
Fracture is an important parameter when you compare Jacobsite and Leucite Physical Properties. It is necessary to understand the significance of these properties, before you compare Jacobsite Vs Leucite 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 Jacobsite is Brittle and Conchoidal. Leucite fracture is Brittle, Conchoidal, ConchoidalArthur Thomas and Gemstones (2009).
Jacobsite Vs Leucite Luster
A primary knowledge about Jacobsite vs Leucite 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. Leucite, on other hand, exhibits Vitreous luster.