Lapis lazuli Vs Obsidian
Origin
Afghanistan
Australia, Canada, Guatemala, Italy, Kenya, Mexico, Turkey, Mexico, Guatemala, Mexico, Guatemala
Color
Violet, Blue, White
Brown, Green
Streak
Blue
Not Available
For which Rashi?
Sagittarius
Sagittarius
Planet
Venus
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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
Projective
Deities
Venus
Itzpapalotl
Not to wear with
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Powers
Protection, Courage
Protection
Planetary
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Talisman
Not Available
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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
2.50-3.00
2.35-2.60
Fracture
Uneven-Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001)
Conchoidal, ConchoidalWalter Schumann, Conchoidal
Cleavage
3,6
Not Available
Chemical Composition
The chief constituent Lapis Lazuli is Lazurite, with the following chemical formula: (Na,Ca)8Al6Si6O24(S,SO)4
Not Available
Luster
Vitreous, Greasy
Vitreous
Pleochroism
AbsentWalter Schumann
AbsentWalter Schumann
Transparency
Opaque
Transparent, Translucent
Refractive Index
1.500-1.670
1.450-1.550
Optic Character
Not Available
Not Available
Crystal System
Trigonal
Amorphous
Birefringence
Not Available
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Clarity
Gemstones of the world (2001)
Transparent
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
Not Available
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Lapis lazuli Vs Obsidian Fracture
Fracture is an important parameter when you compare Lapis lazuli and Obsidian Physical Properties. It is necessary to understand the significance of these properties, before you compare Lapis lazuli Vs Obsidian 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 Lapis lazuli is ConchoidalWalter Schumann, Gemstones of the world (2001) and Uneven-Conchoidal. Obsidian fracture is Conchoidal, Conchoidal and ConchoidalWalter Schumann.
Lapis lazuli Vs Obsidian Luster
A primary knowledge about Lapis lazuli vs Obsidian 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. Lapis lazuli exhibits Greasy and Vitreous luster. Obsidian, on other hand, exhibits Vitreous luster.