Antigorite Vs Powellite
Color
Green, gray, Brown, Black
Yellow, Greenish, Blue, Brown, Green, gray
Streak
Greenish, White
Yellow
For which Rashi?
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Planet
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Element of Planets
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Energy
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Finger
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Ring Metal
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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
2.58-2.80
4.23
Fracture
Conchoidal, Brittle, Metallic, Handbook of mineralogy (2001)
UnevenAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal
Cleavage
{001} Good
{111} Distinct
Mohs Hardness
5-5.5
3.5-4
Chemical Composition
(Mg,Fe2+ ) 3Si 2O 5(OH) 4Anthony et al , Handbook of mineralogy (2001)
CaMoO 4Michael OâDonoghue , Gems, Sixth Edition (2006)
Luster
Waxy, Silky, Resinous, Greasy
Greasy, Subadamantine
Pleochroism
pale greenish yellow.
In deeply colored specimens: blue greenAnthony et al
Dispersion
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Transparency
Translucent
Transparent
Refractive Index
1.530-1.575
1.974-1.984
Optic Character
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Crystal System
Monoclinic Domatic H-M Symbol (m) Space Group: Cm
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Birefringence
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Clarity
Translucent
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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Antigorite Vs Powellite Fracture
Fracture is an important parameter when you compare Antigorite and Powellite Physical Properties. It is necessary to understand the significance of these properties, before you compare Antigorite Vs Powellite 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 Antigorite is Conchoidal, Brittle, Metallic and Handbook of mineralogy (2001). Powellite fracture is UnevenAnthony et al, Handbook of mineralogy (2001), Brittle and Conchoidal.
Antigorite Vs Powellite Luster
A primary knowledge about Antigorite vs Powellite 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. Antigorite exhibits Waxy, Silky, Resinous and Greasy luster. Powellite, on other hand, exhibits Greasy and Subadamantine luster.