Jacobsite Vs Shattuckite
Origin
Southern and central Africa
the type locality
Color
Black, Brownish, White, Brown
Blue, Green
Streak
Reddish, Black
Blue
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
4.76-5.03
3.80-4.15
Fracture
Conchoidal, Brittle
Uneven, UnevenArthur Thomas, Gemstones (2009)
Cleavage
None
perfect along [010] and [100]
Mohs Hardness
5.5-6.5
3.5-4
Chemical Composition
(Mn2+ ,Fe2+ ,Mg)(Fe3+ ,Mn3+ ) 2O 4Anthony et al , Handbook of mineralogy (2001)
Cu 5(SiO 3) 4(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Not Available
Silky
Pleochroism
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X = very pale blue; Y = pale blue; Z = deep blue
Dispersion
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Transparency
Translucent
Translucent
Refractive Index
Not Available
1.752-1.815
Optic Character
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Crystal System
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Orthorhombic
Birefringence
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0.063
Clarity
Translucent
Translucent
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 Shattuckite Fracture
Fracture is an important parameter when you compare Jacobsite and Shattuckite Physical Properties. It is necessary to understand the significance of these properties, before you compare Jacobsite Vs Shattuckite 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. Shattuckite fracture is Gemstones (2009), Uneven and UnevenArthur Thomas.
Jacobsite Vs Shattuckite Luster
A primary knowledge about Jacobsite vs Shattuckite 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. Shattuckite, on other hand, exhibits Silky luster.