Grandidierite Vs Boleite
Streak
White
Greenish, Blue, Green
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
5.05
Fracture
Brittle, UnevenArthur Thomas, Gemstones (2009), Brittle, Uneven
Uneven, UnevenArthur Thomas, Gemstones (2009)
Cleavage
Perfect
[001] perfect
Chemical Composition
(Mg,Fe)Al 3(BO 4)(SiO 4)OUlrich Henn and Claudio C.
Pb 26Ag 10Cu 24Cl 62(OH) 48 · 3H 2OWalter Schumann , Gemstones of the world (2001) More from other references
Luster
Vitreous, Pearly
Vitreous, Pearly
Pleochroism
visible
Not Available
Transparency
Gemmological Tables (2004) More from other references
Transparent
Refractive Index
1.578-1.639
2.05
Optic Character
Not Available
Not Available
Crystal System
Orthorhombic
Isometric
Birefringence
0.037-0.039
0.010
Clarity
Gemmological Tables (2004) More from other references
Transparent
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 Boleite Fracture
Fracture is an important parameter when you compare Grandidierite and Boleite Physical Properties. It is necessary to understand the significance of these properties, before you compare Grandidierite Vs Boleite 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. Boleite fracture is Gemstones (2009), Uneven and UnevenArthur Thomas.
Grandidierite Vs Boleite Luster
A primary knowledge about Grandidierite vs Boleite 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. Boleite, on other hand, exhibits Pearly and Vitreous luster.