Grandidierite Vs Cryolite
Origin
Madagascar
Not Available
Color
Green
Colorless, White, Brownish, Reddish, Black, gray, Brown
For which Rashi?
Not Available
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Planet
Not Available
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Element of Planets
Not Available
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Energy
Not Available
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Finger
Not Available
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Ring Metal
Not Available
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Deities
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Not to wear with
Not Available
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Powers
Not Available
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Planetary
Not Available
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Talisman
Not Available
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Tenacity
Not Available
Brittle
Solubility
Not Available
Soluble
Durability
Not Available
Not Available
Specific Gravity
2.85-3.00
2.97
Fracture
Brittle, UnevenArthur Thomas, Gemstones (2009), Uneven
Uneven
Cleavage
Perfect
None observed
Chemical Composition
(Mg,Fe)Al 3(BO 4)(SiO 4)OUlrich Henn and Claudio C.
Na 3AlF 6Ulrich Henn and Claudio C.
Luster
Vitreous, Pearly
Vitreous, Greasy, Pearly
Pleochroism
visible
colorless.
Dispersion
Not Available
Not Available
Transparency
Gemmological Tables (2004) More from other references
Gemmological Tables (2004) More from other references
Refractive Index
1.578-1.639
1.338-1.339
Optic Character
Not Available
Not Available
Crystal System
Orthorhombic
monoclinic
Birefringence
0.037-0.039
0.001
Clarity
Gemmological Tables (2004) More from other references
TransparentUlrich Henn and Claudio C. Milisenda
Neurological
Not Available
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Cardiovascular
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Respiratory
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Reproductive
Not Available
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Digestive
Not Available
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Psychology
Not Available
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Healing
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Qualities Associated
Not Available
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Grandidierite Vs Cryolite Fracture
Fracture is an important parameter when you compare Grandidierite and Cryolite Physical Properties. It is necessary to understand the significance of these properties, before you compare Grandidierite Vs Cryolite 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, UnevenArthur Thomas, Gemstones (2009) and Uneven. Cryolite fracture is Uneven.
Grandidierite Vs Cryolite Luster
A primary knowledge about Grandidierite vs Cryolite 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 Vitreous and Pearly luster. Cryolite, on other hand, exhibits Vitreous, Greasy and Pearly luster.