Grandidierite Vs Charlesite
Origin
Madagascar
Southern and central Africa
Color
Green
Colorless, White, Yellow, Colorless, Yellow, pink
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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Brittle
Solubility
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Durability
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Specific Gravity
2.85-3.00
1.79
Fracture
Brittle, UnevenArthur Thomas, Gemstones (2009), Brittle, Uneven
Irregular/uneven, Brittle, Metallic
Cleavage
Perfect
Perfect on {10bar10}
Chemical Composition
(Mg,Fe)Al 3(BO 4)(SiO 4)OUlrich Henn and Claudio C.
Ca6(Al,Si)2(SO4)2B(OH)4(OH,O)12•26(H2O)
Luster
Vitreous, Pearly
Vitreous
Pleochroism
visible
Nearly colorless to pale golden yellow
Dispersion
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Transparency
Gemmological Tables (2004) More from other references
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Refractive Index
1.578-1.639
1.492
Optic Character
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Crystal System
Orthorhombic
Trigonal
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 Charlesite Fracture
Fracture is an important parameter when you compare Grandidierite and Charlesite Physical Properties. It is necessary to understand the significance of these properties, before you compare Grandidierite Vs Charlesite 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. Charlesite fracture is Brittle, Irregular/uneven and Metallic.
Grandidierite Vs Charlesite Luster
A primary knowledge about Grandidierite vs Charlesite 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. Charlesite, on other hand, exhibits Vitreous luster.