Hureaulite Vs Grossular
Origin
USA, Southern and central Africa
Sri Lanka, India, Brazil
Color
Violet, Red, White, Reddish
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
3.19
3.55-3.73
Fracture
Brittle, Uneven
Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle
Cleavage
{???} Distinct
none
Chemical Composition
Mn2+5(PO 4) 2(PO 3OH) 2 · 4H 2O)Michael OâDonoghue , Gems, Sixth Edition (2006)
Ca 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
Luster
Vitreous, Greasy
Greasy, Vitreous
Pleochroism
Colorless yellow to pale rose reddish yellow to reddish brown.Anthony et al
None
Transparency
Transparent
Gemmological Tables (2004) More from other references
Refractive Index
1.647-1.667
1.730-1.760
Optic Character
Not Available
Not Available
Crystal System
Monoclinic Prismatic H-M Symbol (2/m) Space Group: C 2/c
cubic
Birefringence
0.012
0.020
Clarity
Transparent
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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Hureaulite Vs Grossular Fracture
Fracture is an important parameter when you compare Hureaulite and Grossular Physical Properties. It is necessary to understand the significance of these properties, before you compare Hureaulite 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 Hureaulite is Brittle and Uneven. Grossular fracture is Brittle, Conchoidal, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009) and Uneven.
Hureaulite Vs Grossular Luster
A primary knowledge about Hureaulite 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. Hureaulite exhibits Greasy and Vitreous luster. Grossular, on other hand, exhibits Greasy and Vitreous luster.