Iolite Vs Poudretteite
Origin
Brazil, USA, Canada, Madagascar, Sri Lanka, India, Burma
Canada, Southern and central Africa
Color
Blue, Violet, Yellow, Grey
Violet, Colorless, pink
Streak
Not Available
White
For which Rashi?
Libra, Sagittarius, Taurus
Not Available
Planet
Jupiter
Not Available
Element of Planets
Water
Not Available
Energy
Not Available
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Finger
Not Available
Not Available
Ring Metal
Not Available
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Deities
Not Available
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Not to wear with
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Powers
Not Available
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Planetary
Not Available
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Talisman
Not Available
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Tenacity
Not Available
Brittle
Solubility
Not Available
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Durability
Not Available
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Specific Gravity
2.6-2.7
2.51-2.53
Fracture
Not Available
Conchoidal, Splintery
Chemical Composition
Mg2Al4Si5O18
KNa 2B 3Si 12O 30Michael OâDonoghue , Gems, Sixth Edition (2006)
Pleochroism
Not Available
Colorless
Dispersion
Not Available
Not Available
Transparency
Transparent, Translucent, Transparent to translucent
Not Available
Refractive Index
1.52-1.56
1.511-1.532
Optic Character
Not Available
Not Available
Crystal System
Orthorhombic
Hexagonal
Birefringence
Not Available
0.021
Clarity
Transparent to translucent
TransparentUlrich Henn and Claudio C. Milisenda
Neurological
Not Available
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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
Not Available
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Iolite Vs Poudretteite Fracture
Fracture is an important parameter when you compare Iolite and Poudretteite Physical Properties. It is necessary to understand the significance of these properties, before you compare Iolite Vs Poudretteite 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. Poudretteite fracture is Conchoidal and Splintery.
Iolite Vs Poudretteite Luster
A primary knowledge about Iolite vs Poudretteite 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. Iolite exhibits Vitreous luster. Poudretteite, on other hand, exhibits Vitreous luster.
