Gaspeite Vs Grandidierite
Origin
Canada, Australia
Madagascar
Streak
Yellow, Green, Yellow, Green
White
For which Rashi?
Not Available
Not Available
Planet
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Element of Planets
Not Available
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Finger
Not Available
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Ring Metal
Not Available
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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
Not Available
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Solubility
HCl soluble
Not Available
Durability
Not Available
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Specific Gravity
3.71
2.85-3.00
Fracture
Uneven
Brittle, UnevenArthur Thomas, Gemstones (2009), Brittle, Uneven
Cleavage
{10 1 1} Good
Perfect
Chemical Composition
(Ni,Mg,Fe++)CO3
(Mg,Fe)Al 3(BO 4)(SiO 4)OUlrich Henn and Claudio C.
Luster
Vitreous
Vitreous, Pearly
Pleochroism
Not Available
visible
Dispersion
Not Available
Not Available
Transparency
Not Available
Gemmological Tables (2004) More from other references
Refractive Index
1.830
1.578-1.639
Optic Character
Not Available
Not Available
Crystal System
Trigonal
Orthorhombic
Birefringence
0.220
0.037-0.039
Clarity
Not Available
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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Gaspeite Vs Grandidierite Fracture
Fracture is an important parameter when you compare Gaspeite and Grandidierite Physical Properties. It is necessary to understand the significance of these properties, before you compare Gaspeite 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 Gaspeite is Uneven. Grandidierite fracture is Brittle, Brittle, Gemstones (2009), Uneven and UnevenArthur Thomas.
Gaspeite Vs Grandidierite Luster
A primary knowledge about Gaspeite 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. Gaspeite exhibits Vitreous luster. Grandidierite, on other hand, exhibits Pearly and Vitreous luster.