Piemontite Vs Gahnite
Color
Red, Reddish, Brown, Black, Yellow
Blue, Green, Greenish, Black
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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Durability
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Specific Gravity
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4.00-4.62
Fracture
Uneven, Splintery
Conchoidal, Uneven
Cleavage
[001] good, [100] distinct
Indistinct parting on [111]
Mohs Hardness
6-6.5
7.5-8
Chemical Composition
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ZnAl 2O 4Michael OâDonoghue , Gems, Sixth Edition (2006)
Pleochroism
visible
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Dispersion
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Transparency
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Gemmological Tables (2004) More from other references
Refractive Index
1.725-1.756
1.790-1.818
Optic Character
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Crystal System
monoclinic
cubic
Birefringence
0.025-0.076
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Clarity
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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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Piemontite Vs Gahnite Fracture
Fracture is an important parameter when you compare Piemontite and Gahnite Physical Properties. It is necessary to understand the significance of these properties, before you compare Piemontite Vs Gahnite 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 Piemontite is Uneven and Splintery. Gahnite fracture is Conchoidal and Uneven.
Piemontite Vs Gahnite Luster
A primary knowledge about Piemontite vs Gahnite 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. Piemontite exhibits Vitreous luster. Gahnite, on other hand, exhibits Vitreous luster.