Augite Vs Gahnite
Origin
USA, Mexico
Australia
Color
Green, Brown, Greenish, Brown, Green, Green, Black
Blue, Green, Greenish, Black
Streak
Greenish, gray, Greenish, gray
Grey, gray
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
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Solubility
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Durability
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Specific Gravity
3.19-3.56
4.00-4.62
Fracture
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal
Conchoidal, Uneven
Cleavage
{110} Perfect, {010} Indistinct
Indistinct parting on [111]
Mohs Hardness
5.5-6
7.5-8
Chemical Composition
(Ca,Na)(Mg,Fe,Al,Ti)(Si,Al) 2O 6Anthony et al , Handbook of mineralogy (2001)
ZnAl 2O 4Michael OâDonoghue , Gems, Sixth Edition (2006)
Luster
Vitreous, Resinous
Vitreous
Pleochroism
Pale green
Not Available
Dispersion
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Transparency
Transparent, Translucent
Gemmological Tables (2004) More from other references
Refractive Index
1.671-1.774
1.790-1.818
Optic Character
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Crystal System
Monoclinic Prismatic H-M Symbol (2/m) Space Group: C 2/c
cubic
Birefringence
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Clarity
Transparent
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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Augite Vs Gahnite Fracture
Fracture is an important parameter when you compare Augite and Gahnite Physical Properties. It is necessary to understand the significance of these properties, before you compare Augite 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 Augite is Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle and Conchoidal. Gahnite fracture is Conchoidal and Uneven.
Augite Vs Gahnite Luster
A primary knowledge about Augite 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. Augite exhibits Vitreous and Resinous luster. Gahnite, on other hand, exhibits Vitreous luster.