Grandidierite Vs Peridot
Origin
Madagascar
China, Burma, Pakistan, USA, Southern and central Africa, Brazil
For which Rashi?
Not Available
Libra, Taurus, Leo, Virgo, Libra, Taurus, Leo, Virgo, Libra, Taurus, Leo, Virgo
Element of Planets
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Earth
Finger
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Ring Metal
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Energy
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Receptive
Deities
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Isis
Not to wear with
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Powers
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Protection, Wealth
Planetary
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Talisman
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Tenacity
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Solubility
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Durability
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Specific Gravity
2.85-3.00
1.54-1.55
Fracture
Brittle, UnevenArthur Thomas, Gemstones (2009), Brittle, Uneven
Conchoidal
Chemical Composition
(Mg,Fe)Al 3(BO 4)(SiO 4)OUlrich Henn and Claudio C.
(Mg,Fe)2SiO4
Luster
Vitreous, Pearly
Vitreous, Greasy
Pleochroism
visible
Weak: yellow-green green (colorless)Herve Nicolas Lazzarelli
Transparency
Gemmological Tables (2004) More from other references
Transparent
Refractive Index
1.578-1.639
1.64-1.69
Optic Character
Not Available
Not Available
Crystal System
Orthorhombic
Orthorhombic
Birefringence
0.037-0.039
0.036
Clarity
Gemmological Tables (2004) More from other references
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
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Grandidierite Vs Peridot Fracture
Fracture is an important parameter when you compare Grandidierite and Peridot Physical Properties. It is necessary to understand the significance of these properties, before you compare Grandidierite Vs Peridot 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 Grandidierite is Brittle, Brittle, Gemstones (2009), Uneven and UnevenArthur Thomas. Peridot fracture is Conchoidal.
Grandidierite Vs Peridot Luster
A primary knowledge about Grandidierite vs Peridot 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. Grandidierite exhibits Pearly and Vitreous luster. Peridot, on other hand, exhibits Greasy and Vitreous luster.