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