Zoisite Vs Grossular
Origin
Pakistan, Tanzania
Sri Lanka, India, Brazil
Color
Brown, gray, Green, Blue, rose, Red
Green, Brown, Brown, Colorless, Green, gray, Yellow
Streak
White, Colorless
Brownish, White, Brownish, White
For which Rashi?
Not Available
Not Available
Planet
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Element of Planets
Not Available
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Finger
Not Available
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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
Not Available
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Durability
Not Available
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Specific Gravity
3.20-3.50
3.55-3.73
Fracture
Uneven, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Even
Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle
Cleavage
Perfect {010} imperfect {100}
none
Chemical Composition
Ca2Al3(SiO4)3(OH)
Ca 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
Luster
Vitreous
Greasy, Vitreous
Pleochroism
X = pale pink to red-violet; Y = nearly colorless to bright pink or deep blue; Z = pale yellow to yellow-green
None
Transparency
Transparent, Translucent, Opaque . May be translucent in thin backlit sections.
Gemmological Tables (2004) More from other references
Refractive Index
1.685-1.707
1.730-1.760
Optic Character
Not Available
Not Available
Crystal System
Orthorhombic
cubic
Birefringence
0.006-0.018
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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Zoisite Vs Grossular Fracture
Fracture is an important parameter when you compare Zoisite and Grossular Physical Properties. It is necessary to understand the significance of these properties, before you compare Zoisite 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 Zoisite is Conchoidal, ConchoidalArthur Thomas, Even, Gemstones (2009) and Uneven. Grossular fracture is Brittle, Conchoidal, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009) and Uneven.
Zoisite Vs Grossular Luster
A primary knowledge about Zoisite 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. Zoisite exhibits Vitreous luster. Grossular, on other hand, exhibits Greasy and Vitreous luster.