Neptunite Vs Cordierite
Origin
USA
Australia, Brazil, Burma, Canada, India, Madagascar, Sri Lanka, Tanzania
Color
Black, Red, Brown
Blue, Violet, Greenish, Brown, Colorless, Colorless, Blue, Violet, Yellow, gray
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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Solubility
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Durability
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Specific Gravity
3.19-3.23
2.57-2.66
Fracture
Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle
Subconchoidal, Conchoidal, Brittle
Cleavage
{110} good
Fair on {100}, poor on {001} and {010}
Chemical Composition
KNa 2Li(Fe2+ ,Mn2+ ) 2Ti 2Si 8O 24Michael OâDonoghue , Gems, Sixth Edition (2006)
Mg2Al4Si5O18
Luster
Vitreous
Greasy, Vitreous
Pleochroism
x=yellow-orange
X = pale yellow
Dispersion
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Transparency
Translucent
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Refractive Index
1.692-1.734
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Optic Character
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Crystal System
monoclinic
Orthorhombic
Birefringence
0.0294-0.0452
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Clarity
Translucent
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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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Neptunite Vs Cordierite Fracture
Fracture is an important parameter when you compare Neptunite and Cordierite Physical Properties. It is necessary to understand the significance of these properties, before you compare Neptunite Vs Cordierite 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 Neptunite is Brittle, Conchoidal, ConchoidalAnthony et al and Handbook of mineralogy (2001). Cordierite fracture is Brittle, Conchoidal and Subconchoidal.
Neptunite Vs Cordierite Luster
A primary knowledge about Neptunite vs Cordierite 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. Neptunite exhibits Vitreous luster. Cordierite, on other hand, exhibits Greasy and Vitreous luster.