Antigorite Vs Andradite
Origin
Italy
Italy, Russia
Color
Green, Green, gray, Brown, Black
Colorless, Green, Black, Brown, Red, Greenish, Yellow, gray
Streak
Greenish, White, Greenish, White
White
For which Rashi?
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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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Brittle
Solubility
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Durability
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Specific Gravity
2.58-2.80
3.70-4.10
Fracture
Conchoidal, Brittle, Metallic, Conchoidal, Handbook of mineralogy (2001)
Conchoidal, Uneven, Conchoidal, Brittle, ConchoidalArthur Thomas, Gemstones (2009)
Mohs Hardness
5-5.5
6.5-7
Chemical Composition
(Mg,Fe2+ ) 3Si 2O 5(OH) 4Anthony et al , Handbook of mineralogy (2001)
Ca 3Fe 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
Luster
Waxy, Silky, Resinous, Greasy
Adamantine, Resinous
Pleochroism
pale greenish yellow.
Not Available
Transparency
Translucent
Transparent
Refractive Index
1.530-1.575
1.88-1.94
Optic Character
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Crystal System
Monoclinic Domatic H-M Symbol (m) Space Group: Cm
cubic
Birefringence
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0.057
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 Andradite Fracture
Fracture is an important parameter when you compare Antigorite and Andradite Physical Properties. It is necessary to understand the significance of these properties, before you compare Antigorite Vs Andradite 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 Brittle, Conchoidal, Conchoidal, Handbook of mineralogy (2001) and Metallic. Andradite fracture is Brittle, Conchoidal, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009) and Uneven.
Antigorite Vs Andradite Luster
A primary knowledge about Antigorite vs Andradite 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 Greasy, Resinous, Silky and Waxy luster. Andradite, on other hand, exhibits Adamantine and Resinous luster.