Lapis lazuli Vs Almandine
Origin
Afghanistan
Austria, Brazil, Canada, India, Madagascar, Russia, Sri Lanka, USA
Color
Violet, Blue, White
Red, Brown, Brownish, Red, Red, Black, Brown, Brownish, Red, Red, Black, Brown, Brownish, Red, Red, Black
For which Rashi?
Sagittarius
Not Available
Planet
Venus
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Element of Planets
Water
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Energy
Receptive
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Finger
Not Available
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Ring Metal
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Deities
Venus
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Not to wear with
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Powers
Protection, Courage
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Planetary
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Talisman
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Tenacity
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Solubility
Not Available
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Durability
Not Available
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Specific Gravity
2.50-3.00
3.95-4.30
Fracture
Uneven-Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001)
Conchoidal, Brittle, Conchoidal, Brittle, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle, Conchoidal
Chemical Composition
The chief constituent Lapis Lazuli is Lazurite, with the following chemical formula: (Na,Ca)8Al6Si6O24(S,SO)4
Fe 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
Luster
Vitreous, Greasy
Greasy, Vitreous
Pleochroism
AbsentWalter Schumann
None
Transparency
Opaque
Gemmological Tables (2004) More from other references
Refractive Index
1.500-1.670
1.770-1.820
Optic Character
Not Available
Not Available
Crystal System
Trigonal
cubic
Birefringence
Not Available
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Clarity
Gemstones of the world (2001)
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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Lapis lazuli Vs Almandine Fracture
Fracture is an important parameter when you compare Lapis lazuli and Almandine Physical Properties. It is necessary to understand the significance of these properties, before you compare Lapis lazuli Vs Almandine 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 Uneven-Conchoidal, ConchoidalWalter Schumann and Gemstones of the world (2001). Almandine fracture is Conchoidal, Brittle, Conchoidal, Brittle, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle and Conchoidal.
Lapis lazuli Vs Almandine Luster
A primary knowledge about Lapis lazuli vs Almandine 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 Vitreous and Greasy luster. Almandine, on other hand, exhibits Greasy and Vitreous luster.
