Neptunite Vs Iolite
Origin
USA
Brazil, USA, Canada, Madagascar, Sri Lanka, India, Burma
Color
Black, Red, Brown
Blue, Violet, Blue, Yellow, Grey
Streak
Brown, Red
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For which Rashi?
Not Available
Libra, Sagittarius, Taurus, Libra, Sagittarius, Taurus, Libra, Sagittarius, Taurus
Planet
Not Available
Jupiter
Element of Planets
Not Available
Water
Finger
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Ring Metal
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Energy
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Receptive
Deities
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Goddess
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
Not Available
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Durability
Not Available
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Specific Gravity
3.19-3.23
2.6-2.7
Fracture
Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle
Not Available
Chemical Composition
KNa 2Li(Fe2+ ,Mn2+ ) 2Ti 2Si 8O 24Michael OâDonoghue , Gems, Sixth Edition (2006)
Mg2Al4Si5O18
Pleochroism
x=yellow-orange
Not Available
Dispersion
Not Available
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Transparency
Translucent
Transparent, Translucent, Transparent to translucent
Refractive Index
1.692-1.734
1.52-1.56
Optic Character
Not Available
Not Available
Crystal System
monoclinic
Orthorhombic
Birefringence
0.0294-0.0452
Not Available
Clarity
Translucent
Transparent to 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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Neptunite Vs Iolite Fracture
Fracture is an important parameter when you compare Neptunite and Iolite Physical Properties. It is necessary to understand the significance of these properties, before you compare Neptunite Vs Iolite 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).
Neptunite Vs Iolite Luster
A primary knowledge about Neptunite vs Iolite 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. Iolite, on other hand, exhibits Vitreous luster.