Poudretteite Vs Hibonite
Origin
Canada, Southern and central Africa
Madagascar
Color
Violet, Colorless, pink
Brownish, Black, Reddish, Brown, Blue
Streak
White
Reddish, Brown
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
Brittle
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Solubility
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Durability
Not Available
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Specific Gravity
2.51-2.53
3.84
Fracture
Conchoidal, Splintery
Subconchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle
Cleavage
None
{0001} good, {10 1 0} parting
Chemical Composition
KNa 2B 3Si 12O 30Michael OâDonoghue , Gems, Sixth Edition (2006)
(Ca,Ce)(Al,Ti,Mg)12O19
Pleochroism
Colorless
O = brownish gray; E = gray
Dispersion
Not Available
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Transparency
Gemmological Tables (2004) More from other references
Handbook of mineralogy (2001)
Refractive Index
1.511-1.532
1.79-1.807
Optic Character
Not Available
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Crystal System
Hexagonal
Hexagonal
Birefringence
0.021
Not Available
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Handbook of mineralogy (2001)
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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Poudretteite Vs Hibonite Fracture
Fracture is an important parameter when you compare Poudretteite and Hibonite Physical Properties. It is necessary to understand the significance of these properties, before you compare Poudretteite Vs Hibonite 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 Poudretteite is Conchoidal and Splintery. Hibonite fracture is Brittle, Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001) and Subconchoidal.
Poudretteite Vs Hibonite Luster
A primary knowledge about Poudretteite vs Hibonite 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. Poudretteite exhibits Vitreous luster. Hibonite, on other hand, exhibits Vitreous luster.