Origin
USA, Mexico
Australia, Brazil, Burma, Canada, India, Madagascar, Sri Lanka, Tanzania
Color
Green, Brown, Greenish, Brown, Green, Green, Black
Blue, Violet, Greenish, Brown, Colorless, Colorless, Blue, Violet, Yellow, gray
Streak
Greenish, gray, Greenish, gray
White
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
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Brittle
Solubility
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Durability
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Specific Gravity
3.19-3.56
2.57-2.66
Fracture
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal
Subconchoidal, Conchoidal, Brittle
Cleavage
{110} Perfect, {010} Indistinct
Fair on {100}, poor on {001} and {010}
Mohs Hardness
5.5-6
7-7.5
Chemical Composition
(Ca,Na)(Mg,Fe,Al,Ti)(Si,Al) 2O 6Anthony et al , Handbook of mineralogy (2001)
Mg2Al4Si5O18
Luster
Vitreous, Resinous
Greasy, Vitreous
Pleochroism
Pale green
X = pale yellow
Dispersion
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Transparency
Transparent, Translucent
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Refractive Index
1.671-1.774
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Optic Character
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Crystal System
Monoclinic Prismatic H-M Symbol (2/m) Space Group: C 2/c
Orthorhombic
Birefringence
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Clarity
Transparent
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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 Cordierite Fracture
Fracture is an important parameter when you compare Augite and Cordierite Physical Properties. It is necessary to understand the significance of these properties, before you compare Augite Vs Cordierite 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 Brittle, Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Uneven and Uneven. Cordierite fracture is Brittle, Conchoidal and Subconchoidal.
Augite Vs Cordierite Luster
A primary knowledge about Augite vs Cordierite 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 Resinous and Vitreous luster. Cordierite, on other hand, exhibits Greasy and Vitreous luster.