Grandidierite Vs Sapphirine
Origin
Madagascar
Kenya, Southern and central Africa
Color
Green
Colorless, Greenish, Blue
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
2.85-3.00
3.40-3.58
Fracture
Brittle, UnevenArthur Thomas, Gemstones (2009), Brittle, Uneven
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009), Uneven
Cleavage
Perfect
{010} Perfect
Chemical Composition
(Mg,Fe)Al 3(BO 4)(SiO 4)OUlrich Henn and Claudio C.
(Al,Mg) 8(Al,Si) 6O 20Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Vitreous, Pearly
Not Available
Pleochroism
visible
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Transparency
Gemmological Tables (2004) More from other references
Transparent
Refractive Index
1.578-1.639
1.701-1.724
Optic Character
Not Available
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Crystal System
Orthorhombic
Not Available
Birefringence
0.037-0.039
0.005-0.007
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 Sapphirine Fracture
Fracture is an important parameter when you compare Grandidierite and Sapphirine Physical Properties. It is necessary to understand the significance of these properties, before you compare Grandidierite Vs Sapphirine 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. Sapphirine fracture is ConchoidalArthur Thomas, ConchoidalArthur Thomas, Gemstones (2009), Gemstones (2009) and Uneven.
Grandidierite Vs Sapphirine Luster
A primary knowledge about Grandidierite vs Sapphirine 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.