Origin
Spain, Brazil, USA, Sri Lanka, Burma, Color: strongly pleochroic, reddish brown, pink / yellowish green, Hardness: 7 7.5, Refractive index: 1.63 1.65, Density: 3.13 3.21, Chemical composition: Al2SiO5, Crystal structure: orthorhombic, Lustre: vitreous, greasy, Origins: Spain, Brazil, USA, Sri Lanka, Burma. Discovered in Andalusia (Spain), the andalusite stone is relatively rare, with big crystals over 10 ct. especially rare. Due to its remarkable pleochroism effect, the stone is highly valued by collectors., brown
Southern and central Africa
Color
Brown, pink, Violet, Yellow, Green, White, gray, Colorless, Green, gray, Brown, Red
Colorless, Yellow, Brown
Streak
White
Not Available
For which Rashi?
All
Chakra Gemstone Properties
Planet
Venus
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Element of Planets
Not Available
Earth
Energy
Projective, Receptive
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Finger
Not Available
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Ring Metal
Not Available
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Deities
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Not to wear with
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Powers
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Healing
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
3.05-3.21
5.50-6.00
Fracture
Uneven, Subconchoidal, Uneven, Subconchoidal, Splintery, UnevenArthur Thomas, Gemstones (2009)
Not Available
Cleavage
Good on {110}, poor on {100}
Not Available
Chemical Composition
Al 2SiO 5Michael OâDonoghue , Gems, Sixth edition (2006) More from other references
ZrO 2 + CaO or Y 2O 3 or MgOUlrich Henn and Claudio C.
Luster
Vitreous, Greasy
Not Available
Pleochroism
strongly trichroic
Not Available
Transparency
Transparent, Translucent
Transparent
Refractive Index
1.627-1.650
2.150-2.182
Optic Character
Not Available
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Crystal System
Orthorhombic
Isometric
Birefringence
0.009-0.010
Not Available
Clarity
Transparent
Transparent
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
Not Available
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Andalusite Vs Cubic Zirconia Fracture
Fracture is an important parameter when you compare Andalusite and Cubic Zirconia Physical Properties. It is necessary to understand the significance of these properties, before you compare Andalusite Vs Cubic Zirconia 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 Andalusite is Uneven, Subconchoidal, Uneven, Subconchoidal, Splintery, UnevenArthur Thomas and Gemstones (2009).
Andalusite Vs Cubic Zirconia Luster
A primary knowledge about Andalusite vs Cubic Zirconia 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. Andalusite exhibits Vitreous and Greasy luster.
