Grandidierite Vs Gadolinium Gallium Garnet
Origin
Madagascar
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Color
Green
Brown, Yellow, Blue, Red
Streak
White
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For which Rashi?
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Planet
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Element of Planets
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Finger
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Ring Metal
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Energy
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Deities
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Not to wear with
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Powers
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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
7.05
Fracture
Brittle, UnevenArthur Thomas, Gemstones (2009), Brittle, Uneven
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Cleavage
Perfect
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Chemical Composition
(Mg,Fe)Al 3(BO 4)(SiO 4)OUlrich Henn and Claudio C.
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Luster
Vitreous, Pearly
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Pleochroism
visible
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Dispersion
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Transparency
Gemmological Tables (2004) More from other references
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Refractive Index
1.578-1.639
1.97-2.03
Optic Character
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Crystal System
Orthorhombic
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Birefringence
0.037-0.039
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Clarity
Gemmological Tables (2004) More from other references
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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 Gadolinium Gallium Garnet Fracture
Fracture is an important parameter when you compare Grandidierite and Gadolinium Gallium Garnet Physical Properties. It is necessary to understand the significance of these properties, before you compare Grandidierite Vs Gadolinium Gallium Garnet 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.
Grandidierite Vs Gadolinium Gallium Garnet Luster
A primary knowledge about Grandidierite vs Gadolinium Gallium Garnet 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.