Origin
Colombia, Color: Red, Orangey Red, Orange, Yellow, color shift to Green, Hardness: 6 6.5, Refractive index: 1.55 1.56, Density: 2.66 2.70, Chemical composition: (Na, Ca)(Si, Al)4O8, Crystal structure: triclinic, Origins: Congo, Tibet.
Southern and central Africa
Color
Red, Yellow, White, gray, Green, Yellow, Red, Colorless, gray, Yellow, Green, White
Violet, Blue, Red, Yellow, Brown, gray
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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Solubility
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insoluble
Durability
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Specific Gravity
2.65-2.69
3.90-4.05
Fracture
Uneven, Uneven, Conchoidal, Uneven, Gems, Sixth Edition (2006)
Uneven, Uneven, Gems, Difficult, Fibrous
Cleavage
Perfect on {001}, good on {010}
None – parting in 3 directions
Chemical Composition
(Na,Ca)Al1-2Si3-2O8
Al 2O 3Arthur Thomas , Gemstones (2009)
Luster
Vitreous
Adamantine, Vitreous
Pleochroism
colorless.
None
Transparency
Transparent, Translucent, Transparent to translucent
Transparent, Translucent
Refractive Index
1.543-1.564
1.758-1.780
Optic Character
Biaxial/+
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Crystal System
Triclinic
Trigonal
Birefringence
0.007-0.011
0.007-0.010
Clarity
Transparent
Gemmological Tables (2004) More from other references
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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Andesine Vs Corundum Fracture
Fracture is an important parameter when you compare Andesine and Corundum Physical Properties. It is necessary to understand the significance of these properties, before you compare Andesine Vs Corundum 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 Andesine is Conchoidal, Gems, Sixth Edition (2006), Uneven, Uneven and Uneven. Corundum fracture is Difficult, Fibrous, Gems, Uneven and Uneven.
Andesine Vs Corundum Luster
A primary knowledge about Andesine vs Corundum 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. Andesine exhibits Vitreous luster. Corundum, on other hand, exhibits Adamantine and Vitreous luster.