Grandidierite Vs Wax Opal
Origin
Madagascar
Southern and central Africa
Streak
White
Not Available
For which Rashi?
Not Available
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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
Not Available
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Durability
Not Available
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Specific Gravity
2.85-3.00
1.98-2.50
Fracture
Brittle, UnevenArthur Thomas, Gemstones (2009), Brittle, Uneven
ConchoidalWalter Schumann, Gemstones of the world (2001), ConchoidalWalter Schumann, Gemstones of the world (2001)
Cleavage
Perfect
Not Available
Mohs Hardness
7.5
5.5-6.5
Chemical Composition
(Mg,Fe)Al 3(BO 4)(SiO 4)OUlrich Henn and Claudio C.
SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)
Luster
Vitreous, Pearly
Not Available
Pleochroism
visible
AbsentWalter Schumann
Dispersion
Not Available
Not Available
Transparency
Gemmological Tables (2004) More from other references
Translucent
Refractive Index
1.578-1.639
1.37-1.52
Optic Character
Not Available
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Crystal System
Orthorhombic
Not Available
Birefringence
0.037-0.039
Not Available
Clarity
Gemmological Tables (2004) More from other references
Translucent
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 Wax Opal Fracture
Fracture is an important parameter when you compare Grandidierite and Wax Opal Physical Properties. It is necessary to understand the significance of these properties, before you compare Grandidierite Vs Wax Opal 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. Wax Opal fracture is ConchoidalWalter Schumann, ConchoidalWalter Schumann, Gemstones of the world (2001) and Gemstones of the world (2001).
Grandidierite Vs Wax Opal Luster
A primary knowledge about Grandidierite vs Wax Opal 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.