Neptunite Vs Pyrope
Origin
USA
China, Kenya, Russia, Sri Lanka, Zambia
Color
Black, Red, Brown
Red, pink, Black, orange
For which Rashi?
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Planet
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Element of Planets
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Energy
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Finger
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Ring Metal
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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
Brittle
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Solubility
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insoluble in water
Durability
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Specific Gravity
3.19-3.23
3.62-3.87
Fracture
Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle
Chemical Composition
KNa 2Li(Fe2+ ,Mn2+ ) 2Ti 2Si 8O 24Michael OâDonoghue , Gems, Sixth Edition (2006)
Mg 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
Luster
Vitreous
Greasy, Vitreous
Pleochroism
x=yellow-orange
None
Transparency
Translucent
Gemmological Tables (2004) More from other references
Refractive Index
1.692-1.734
1.720-1.756
Optic Character
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Crystal System
monoclinic
cubic
Birefringence
0.0294-0.0452
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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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Neptunite Vs Pyrope Fracture
Fracture is an important parameter when you compare Neptunite and Pyrope Physical Properties. It is necessary to understand the significance of these properties, before you compare Neptunite Vs Pyrope 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 Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001) and Brittle. Pyrope fracture is Conchoidal, ConchoidalArthur Thomas, Gemstones (2009) and Brittle.
Neptunite Vs Pyrope Luster
A primary knowledge about Neptunite vs Pyrope 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. Pyrope, on other hand, exhibits Greasy and Vitreous luster.