Dumortierite Vs Swiss blue topaz
Origin
Southern and central Africa, violet, blue, violet, blue
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Color
Blue, Violet, Brown, White, Blue, Brown, Violet, Greenish, pink
White, Colorless, Blue, Red, Green, Yellow, Violet
Streak
White
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For which Rashi?
Leo, Sagittarius, Leo, Sagittarius, Leo, Sagittarius
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Planet
Saturn
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Element of Planets
Water
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Finger
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Ring Metal
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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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Solubility
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Durability
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Specific Gravity
3.26-3.41
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Fracture
Fibrous, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references
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Cleavage
Distinct on {100}, poor on {110}; parting on {001}
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Mohs Hardness
7-8.5
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Chemical Composition
AlAl6O3BSi3O18
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Luster
Vitreous
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Pleochroism
Strong; X = deep blue or violet; Y = yellow to red-violet or nearly colorless; Z = colorless or very pale blue
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Dispersion
None
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Transparency
Translucent, Translucent to opaque
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Refractive Index
1.669-1.723
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Optic Character
Not Available
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Crystal System
Orthorhombic
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Birefringence
0.011-0.037
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Clarity
Translucent
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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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Dumortierite Vs Swiss blue topaz Fracture
Fracture is an important parameter when you compare Dumortierite and Swiss blue topaz Physical Properties. It is necessary to understand the significance of these properties, before you compare Dumortierite Vs Swiss blue topaz 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.
Dumortierite Vs Swiss blue topaz Luster
A primary knowledge about Dumortierite vs Swiss blue topaz 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.