Phlogopite Vs Gahnite
Color
Brownish, Red, Brown, Green, White, gray, Yellow, Reddish
Blue, Green, Greenish, Black
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
Tough
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Solubility
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Durability
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Specific Gravity
2.78-2.85
4.00-4.62
Fracture
None, Uneven
Conchoidal, Uneven
Cleavage
Perfect basal (001)
Indistinct parting on [111]
Mohs Hardness
2-2.5
7.5-8
Chemical Composition
Not Available
ZnAl 2O 4Michael OâDonoghue , Gems, Sixth Edition (2006)
Pleochroism
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Dispersion
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Transparency
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Gemmological Tables (2004) More from other references
Refractive Index
1.530-1.573
1.790-1.818
Optic Character
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Crystal System
monoclinic
cubic
Birefringence
0.0280-0.0450
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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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Phlogopite Vs Gahnite Fracture
Fracture is an important parameter when you compare Phlogopite and Gahnite Physical Properties. It is necessary to understand the significance of these properties, before you compare Phlogopite 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 Phlogopite is None and Uneven. Gahnite fracture is Conchoidal and Uneven.
Phlogopite Vs Gahnite Luster
A primary knowledge about Phlogopite 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. Phlogopite exhibits Pearly luster. Gahnite, on other hand, exhibits Vitreous luster.