Shattuckite Vs Alexandrite
Origin
the type locality
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
Streak
Blue
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For which Rashi?
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Scorpio
Planet
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Venus
Element of Planets
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Earth
Finger
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Ring Metal
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Energy
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Projective, Receptive
Deities
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Not to wear with
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Powers
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Love
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
3.80-4.15
3.69-3.81
Fracture
Uneven, UnevenArthur Thomas, Gemstones (2009)
Not Available
Cleavage
perfect along [010] and [100]
1,1 ; 3,2.
Chemical Composition
Cu 5(SiO 3) 4(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
BeAl 2 O 4
Pleochroism
X = very pale blue; Y = pale blue; Z = deep blue
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Dispersion
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Transparency
Translucent
Transparent, Transparent to nearly opaque
Refractive Index
1.752-1.815
1.739-1.770
Optic Character
Not Available
Biaxial/+
Crystal System
Orthorhombic
Orthorhombic
Birefringence
0.063
0.007-0.010
Clarity
Translucent
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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Shattuckite Vs Alexandrite Fracture
Fracture is an important parameter when you compare Shattuckite and Alexandrite Physical Properties. It is necessary to understand the significance of these properties, before you compare Shattuckite Vs Alexandrite 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 Shattuckite is Gemstones (2009), Uneven and UnevenArthur Thomas.
Shattuckite Vs Alexandrite Luster
A primary knowledge about Shattuckite vs Alexandrite 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. Shattuckite exhibits Silky luster. Alexandrite, on other hand, exhibits Vitreous luster.