Plasma Vs Grandidierite
Origin
Southern and central Africa
Madagascar
Color
White, Colorless, Blue, Red, Green, Yellow, Violet
Green
Streak
Not Available
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
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Specific Gravity
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2.85-3.00
Fracture
Not Available
Brittle, UnevenArthur Thomas, Gemstones (2009), Brittle, Uneven
Cleavage
Not Available
Perfect
Mohs Hardness
Not Available
7.5
Chemical Composition
Not Available
(Mg,Fe)Al 3(BO 4)(SiO 4)OUlrich Henn and Claudio C.
Luster
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Vitreous, Pearly
Pleochroism
Not Available
visible
Dispersion
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Transparency
Not Available
Gemmological Tables (2004) More from other references
Refractive Index
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1.578-1.639
Optic Character
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Crystal System
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Orthorhombic
Birefringence
Not Available
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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Plasma Vs Grandidierite Fracture
Fracture is an important parameter when you compare Plasma and Grandidierite Physical Properties. It is necessary to understand the significance of these properties, before you compare Plasma 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. Grandidierite fracture is Brittle, Brittle, Gemstones (2009), Uneven and UnevenArthur Thomas.
Plasma Vs Grandidierite Luster
A primary knowledge about Plasma 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. Grandidierite, on other hand, exhibits Pearly and Vitreous luster.