Lapis lazuli Vs Pearl
Origin
Afghanistan
Australia
Color
Violet, Blue, White
Green, Blue
For which Rashi?
Sagittarius
Cancer, Gemini, Cancer, Gemini, Cancer, Gemini
Element of Planets
Water
Water
Finger
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Not Available
Ring Metal
Not Available
Not Available
Energy
Receptive
Receptive
Not to wear with
Not Available
Not Available
Powers
Protection, Courage
Protection, Love, Money
Planetary
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Talisman
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Tenacity
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Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
2.50-3.00
2.60-2.85
Fracture
Uneven-Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001)
Gemstones of the world (2001), UnevenWalter Schumann, Gemstones of the world (2001)
Mohs Hardness
5.5
2.5-4.5
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
Pearly
Pleochroism
AbsentWalter Schumann
AbsentWalter Schumann
Transparency
Opaque
Translucent, Opaque
Refractive Index
1.500-1.670
1.52-1.66
Optic Character
Not Available
Not Available
Crystal System
Trigonal
Orthorhombic
Birefringence
Not Available
0.156
Clarity
Gemstones of the world (2001)
Translucent
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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Lapis lazuli Vs Pearl Fracture
Fracture is an important parameter when you compare Lapis lazuli and Pearl Physical Properties. It is necessary to understand the significance of these properties, before you compare Lapis lazuli Vs Pearl 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. Pearl fracture is Gemstones of the world (2001), Gemstones of the world (2001) and UnevenWalter Schumann.
Lapis lazuli Vs Pearl Luster
A primary knowledge about Lapis lazuli vs Pearl 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. Pearl, on other hand, exhibits Pearly luster.