Star Sapphire Vs Augite
Origin
Southern and central Africa
USA, Mexico
Color
Yellow, Green, Blue, Violet
Green, Brown, Greenish, Brown, Green, Green, Black
Streak
Not Available
Greenish, gray, Greenish, gray
For which Rashi?
Not Available
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Planet
Not Available
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Element of Planets
Not Available
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Finger
Not Available
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Ring Metal
Not Available
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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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Solubility
Not Available
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Durability
Not Available
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Specific Gravity
3.90-4.05
3.19-3.56
Fracture
Not Available
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal
Cleavage
Not Available
{110} Perfect, {010} Indistinct
Mohs Hardness
Not Available
5.5-6
Chemical Composition
Al 2O 3Ulrich Henn and Claudio C.
(Ca,Na)(Mg,Fe,Al,Ti)(Si,Al) 2O 6Anthony et al , Handbook of mineralogy (2001)
Luster
Not Available
Vitreous, Resinous
Pleochroism
Not Available
Pale green
Dispersion
Not Available
Not Available
Transparency
Transparent, Translucent
Transparent, Translucent
Refractive Index
1.758-1.780
1.671-1.774
Optic Character
Not Available
Not Available
Crystal System
Not Available
Monoclinic Prismatic H-M Symbol (2/m) Space Group: C 2/c
Birefringence
0.007-0.010
Not Available
Clarity
Transparent
Transparent
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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Star Sapphire Vs Augite Fracture
Fracture is an important parameter when you compare Star Sapphire and Augite Physical Properties. It is necessary to understand the significance of these properties, before you compare Star Sapphire Vs Augite 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. Augite fracture is Brittle, Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Uneven and Uneven.
Star Sapphire Vs Augite Luster
A primary knowledge about Star Sapphire vs Augite 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, on other hand, exhibits Resinous and Vitreous luster.