Grandidierite Vs Xonotlite
Color
Green
White, Colorless, gray, pink
Streak
White
Colorless, White
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
Not Available
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Specific Gravity
2.85-3.00
2.71-2.72
Fracture
Brittle, UnevenArthur Thomas, Gemstones (2009), Brittle, Uneven
Handbook of mineralogy (2001), Difficult, Fibrous
Cleavage
Perfect
{???} Good
Chemical Composition
(Mg,Fe)Al 3(BO 4)(SiO 4)OUlrich Henn and Claudio C.
Ca 6Si 6O 17(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Luster
Vitreous, Pearly
Vitreous, Silky
Pleochroism
visible
Not Available
Dispersion
Not Available
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Transparency
Gemmological Tables (2004) More from other references
Gems, Sixth Edition (2006)
Refractive Index
1.578-1.639
1.581-1.593
Optic Character
Not Available
Not Available
Crystal System
Orthorhombic
monoclinic
Birefringence
0.037-0.039
0.010
Clarity
Gemmological Tables (2004) More from other references
Gems
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 Xonotlite Fracture
Fracture is an important parameter when you compare Grandidierite and Xonotlite Physical Properties. It is necessary to understand the significance of these properties, before you compare Grandidierite Vs Xonotlite 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. Xonotlite fracture is Difficult, Fibrous and Handbook of mineralogy (2001).
Grandidierite Vs Xonotlite Luster
A primary knowledge about Grandidierite vs Xonotlite 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. Xonotlite, on other hand, exhibits Silky and Vitreous luster.