Lazurite Vs Demantoid
Origin
Afghanistan, Southern and central Africa
Italy
Color
Blue, Greenish, Violet
Green
Streak
Blue, White
Not Available
For which Rashi?
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Planet
Not Available
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Element of Planets
Not Available
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Finger
Not Available
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Ring Metal
Not Available
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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
Not Available
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Tenacity
Brittle
Not Available
Solubility
Soluble
Not Available
Durability
Not Available
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Specific Gravity
2.75
3.77-3.95
Fracture
Uneven, UnevenArthur Thomas, Gemstones (2009), Conchoidal, Brittle
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Cleavage
Imperfect on {110}
Not Available
Chemical Composition
(Na,Ca) 8Al 6Si 6O 24(SO 4,S,Cl) 2Ulrich Henn and Claudio C.
Ca 3Fe 2(SiO 4) 3Ulrich Henn and Claudio C.
Luster
Vitreous
Adamantine
Pleochroism
Not Available
None
Dispersion
Not Available
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Transparency
Gemmological Tables (2004) More from other references
Gemmological Tables (2004)
Refractive Index
1.500
1.880-1.890
Optic Character
Not Available
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Crystal System
Isometric
cubic
Birefringence
Not Available
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Clarity
Gemmological Tables (2004) More from other references
TransparentUlrich Henn and Claudio C. Milisenda
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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Lazurite Vs Demantoid Fracture
Fracture is an important parameter when you compare Lazurite and Demantoid Physical Properties. It is necessary to understand the significance of these properties, before you compare Lazurite Vs Demantoid 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 Lazurite is Brittle, Conchoidal, Gemstones (2009), Uneven and UnevenArthur Thomas.
Lazurite Vs Demantoid Luster
A primary knowledge about Lazurite vs Demantoid 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. Lazurite exhibits Vitreous luster. Demantoid, on other hand, exhibits Adamantine luster.