Origin
Russia, Brazil, Tanzania, Madagascar, Zambia, Sri Lanka, Burma, India, Color: color change, from bluish green (daylight) to purple, red or brown (incandescent light), Hardness: 8, Refractive index: 1.74 1.77, Density: 3.68 3.80, Chemical composition: BeAl2O4, Crystal structure: orthorhombic, Origins: Russia, Brazil, Tanzania, Madagascar, Zambia, Sri Lanka, Burma
Canada
Color
Green
Colorless, Colorless, Yellow, Green, White, Blue
Streak
Not Available
Not Available
For which Rashi?
Scorpio
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Planet
Venus
Not Available
Element of Planets
Earth
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Finger
Not Available
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Ring Metal
Not Available
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Energy
Projective, Receptive
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Deities
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Not to wear with
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Powers
Love
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Planetary
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Talisman
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Tenacity
Not Available
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Solubility
Not Available
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Durability
Not Available
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Specific Gravity
3.69-3.81
2.70-2.75
Fracture
Not Available
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
Cleavage
1,1 ; 3,2.
From the Greek for luster, for its pearly luster on the cleavage.
Chemical Composition
BeAl 2 O 4
Al 2(PO 4)(OH) 3Michael OâDonoghue , Gems, Sixth Edition (2006)
Pleochroism
Not Available
NilArthur Thomas
Dispersion
Not Available
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Transparency
Transparent, Transparent to nearly opaque
Gemmological Tables (2004) More from other references
Refractive Index
1.739-1.770
1.570-1.591
Optic Character
Biaxial/+
Not Available
Crystal System
Orthorhombic
Birefringence
0.007-0.010
0.020-0.021
Clarity
Transparent
TransparentUlrich Henn and Claudio C. Milisenda
Neurological
Not Available
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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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Alexandrite Vs Augelite Fracture
Fracture is an important parameter when you compare Alexandrite and Augelite Physical Properties. It is necessary to understand the significance of these properties, before you compare Alexandrite Vs Augelite 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. Augelite fracture is ConchoidalArthur Thomas, ConchoidalArthur Thomas, Gemstones (2009) and Gemstones (2009).
Alexandrite Vs Augelite Luster
A primary knowledge about Alexandrite vs Augelite 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. Alexandrite exhibits Vitreous luster. Augelite, on other hand, exhibits Pearly luster.