Jadeite Vs Grandidierite
Origin
Guatemala, Russia, Columbia, Canada, Italy
Madagascar
Color
White, Red, Brown, Green, gray
Green
For which Rashi?
Not Available
Not Available
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
Not Available
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Durability
Not Available
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Specific Gravity
3.28-3.38
2.85-3.00
Fracture
Splintery, UnevenArthur Thomas, Difficult, Fibrous
Brittle, UnevenArthur Thomas, Gemstones (2009), Brittle, Uneven
Cleavage
Good on [110]
Perfect
Chemical Composition
NaAlSi 2O 6Ulrich Henn and Claudio C.
(Mg,Fe)Al 3(BO 4)(SiO 4)OUlrich Henn and Claudio C.
Luster
Pearly
Vitreous, Pearly
Pleochroism
NilArthur Thomas
visible
Dispersion
Not Available
Not Available
Transparency
Translucent
Gemmological Tables (2004) More from other references
Refractive Index
1.652-1.688
1.578-1.639
Optic Character
Not Available
Not Available
Crystal System
monoclinic
Orthorhombic
Birefringence
0.013-0.020
0.037-0.039
Clarity
Translucent
Gemmological Tables (2004) More from other references
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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Jadeite Vs Grandidierite Fracture
Fracture is an important parameter when you compare Jadeite and Grandidierite Physical Properties. It is necessary to understand the significance of these properties, before you compare Jadeite Vs Grandidierite 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 Jadeite is Difficult, Fibrous, Splintery and UnevenArthur Thomas. Grandidierite fracture is Brittle, Brittle, Gemstones (2009), Uneven and UnevenArthur Thomas.
Jadeite Vs Grandidierite Luster
A primary knowledge about Jadeite vs Grandidierite 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. Jadeite exhibits Pearly luster. Grandidierite, on other hand, exhibits Pearly and Vitreous luster.