Plumbogummite Vs Lazurite
Origin
Australia
Afghanistan, Southern and central Africa
Color
Blue, Grey, Greenish, Yellow, White, gray, Green, Brown
Blue, Greenish, Violet
For which Rashi?
Not Available
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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
Soluble
Soluble
Durability
Not Available
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Specific Gravity
4.014
2.75
Fracture
Uneven, Conchoidal
Uneven, UnevenArthur Thomas, Gemstones (2009), Conchoidal, Brittle
Cleavage
None
Imperfect on {110}
Chemical Composition
Not Available
(Na,Ca) 8Al 6Si 6O 24(SO 4,S,Cl) 2Ulrich Henn and Claudio C.
Pleochroism
None
Not Available
Dispersion
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Transparency
Not Available
Gemmological Tables (2004) More from other references
Refractive Index
1.653-1.688
1.500
Optic Character
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Crystal System
Trigonal
Isometric
Birefringence
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Clarity
Not Available
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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Plumbogummite Vs Lazurite Fracture
Fracture is an important parameter when you compare Plumbogummite and Lazurite Physical Properties. It is necessary to understand the significance of these properties, before you compare Plumbogummite Vs Lazurite 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 Plumbogummite is Conchoidal and Uneven. Lazurite fracture is Brittle, Conchoidal, Gemstones (2009), Uneven and UnevenArthur Thomas.
Plumbogummite Vs Lazurite Luster
A primary knowledge about Plumbogummite vs Lazurite 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. Plumbogummite exhibits Resinous luster. Lazurite, on other hand, exhibits Vitreous luster.