Dumortierite Vs Libyan Desert Glass
Origin
Southern and central Africa, violet, blue, violet, blue
Not Available
Color
Blue, Violet, Brown, White, Blue, Brown, Violet, Greenish, pink
Not Available
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
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
Not Available
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Solubility
Not Available
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Durability
Not Available
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Specific Gravity
3.26-3.41
2
Fracture
Fibrous, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references
Not Available
Cleavage
Distinct on {100}, poor on {110}; parting on {001}
Not Available
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
1.46-1.465
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 Libyan Desert Glass Fracture
Fracture is an important parameter when you compare Dumortierite and Libyan Desert Glass Physical Properties. It is necessary to understand the significance of these properties, before you compare Dumortierite Vs Libyan Desert Glass 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 Libyan Desert Glass Luster
A primary knowledge about Dumortierite vs Libyan Desert Glass 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.