Origin
Southern and central Africa, violet, blue, violet, blue
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.
Color
Blue, Violet, Brown, White, Blue, Brown, Violet, Greenish, pink
Red, Yellow, White, gray, Green, Yellow, Red, Colorless, gray, Yellow, Green, White
For which Rashi?
Leo, Sagittarius, Leo, Sagittarius, Leo, Sagittarius
Not Available
Planet
Saturn
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Element of Planets
Water
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Finger
Not Available
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Ring Metal
Not Available
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Energy
Receptive
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Deities
Isis
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Not to wear with
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Powers
Healing
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Planetary
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Talisman
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Tenacity
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Brittle
Solubility
Not Available
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Durability
Not Available
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Specific Gravity
3.26-3.41
2.65-2.69
Fracture
Fibrous, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references
Uneven, Uneven, Conchoidal, Uneven, Gems, Sixth Edition (2006)
Cleavage
Distinct on {100}, poor on {110}; parting on {001}
Perfect on {001}, good on {010}
Mohs Hardness
7-8.5
6-6.5
Chemical Composition
AlAl6O3BSi3O18
(Na,Ca)Al1-2Si3-2O8
Pleochroism
Strong; X = deep blue or violet; Y = yellow to red-violet or nearly colorless; Z = colorless or very pale blue
colorless.
Transparency
Translucent, Translucent to opaque
Transparent, Translucent, Transparent to translucent
Refractive Index
1.669-1.723
1.543-1.564
Optic Character
Not Available
Biaxial/+
Crystal System
Orthorhombic
Triclinic
Birefringence
0.011-0.037
0.007-0.011
Clarity
Translucent
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
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Dumortierite Vs Andesine Fracture
Fracture is an important parameter when you compare Dumortierite and Andesine Physical Properties. It is necessary to understand the significance of these properties, before you compare Dumortierite Vs Andesine 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 Dumortierite is ConchoidalWalter Schumann, Fibrous and Gemstones of the world (2001) More from other references. Andesine fracture is Conchoidal, Gems, Sixth Edition (2006), Uneven, Uneven and Uneven.
Dumortierite Vs Andesine Luster
A primary knowledge about Dumortierite vs Andesine 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. Dumortierite exhibits Vitreous luster. Andesine, on other hand, exhibits Vitreous luster.