Pezzottaite Vs Grossular
Origin
Afghanistan
Sri Lanka, India, Brazil
Color
White, Colorless, Blue, Red, Green, Yellow, Violet, pink
Green, Brown, Brown, Colorless, Green, gray, Yellow
Streak
White
Brownish, White, Brownish, White
For which Rashi?
Not Available
Not Available
Planet
Not Available
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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
Not Available
Specific Gravity
2.90-3.14
3.55-3.73
Fracture
Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Brittle
Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle
Cleavage
Imperfect; basal
none
Mohs Hardness
7.5-8
7-7.5
Chemical Composition
(Be,Cs) 3Al 2Si 6O 18 · 0.5H 2OUlrich Henn and Claudio C.
Ca 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
Luster
Vitreous
Greasy, Vitreous
Pleochroism
Moderate dichroic
None
Transparency
Transparent
Gemmological Tables (2004) More from other references
Refractive Index
1.598-1.620
1.730-1.760
Optic Character
Not Available
Not Available
Crystal System
Hexagonal
cubic
Birefringence
0.008-0.011
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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Pezzottaite Vs Grossular Fracture
Fracture is an important parameter when you compare Pezzottaite and Grossular Physical Properties. It is necessary to understand the significance of these properties, before you compare Pezzottaite 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 Pezzottaite is Brittle, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009) and Uneven. Grossular fracture is Brittle, Conchoidal, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009) and Uneven.
Pezzottaite Vs Grossular Luster
A primary knowledge about Pezzottaite 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. Pezzottaite exhibits Vitreous luster. Grossular, on other hand, exhibits Greasy and Vitreous luster.