Grandidierite Vs Grossular
Origin
Madagascar
Sri Lanka, India, Brazil
Color
Green
Green, Brown, Brown, Colorless, Green, gray, Yellow
Streak
White
Brownish, White, Brownish, White
For which Rashi?
Not Available
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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
3.55-3.73
Fracture
Brittle, UnevenArthur Thomas, Gemstones (2009), Brittle, Uneven
Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle
Chemical Composition
(Mg,Fe)Al 3(BO 4)(SiO 4)OUlrich Henn and Claudio C.
Ca 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
Luster
Vitreous, Pearly
Greasy, Vitreous
Transparency
Gemmological Tables (2004) More from other references
Gemmological Tables (2004) More from other references
Refractive Index
1.578-1.639
1.730-1.760
Optic Character
Not Available
Not Available
Crystal System
Orthorhombic
cubic
Birefringence
0.037-0.039
0.020
Clarity
Gemmological Tables (2004) More from other references
TransparentUlrich Henn and Claudio C. Milisenda
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 Grossular Fracture
Fracture is an important parameter when you compare Grandidierite and Grossular Physical Properties. It is necessary to understand the significance of these properties, before you compare Grandidierite Vs Grossular 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. Grossular fracture is Brittle, Conchoidal, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009) and Uneven.
Grandidierite Vs Grossular Luster
A primary knowledge about Grandidierite vs Grossular 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. Grossular, on other hand, exhibits Greasy and Vitreous luster.