Andradite Vs Hercynite
Origin
Italy, Russia
Not Available
Color
Colorless, Green, Black, Brown, Red, Greenish, Yellow, gray
Yellow, Black
For which Rashi?
Not Available
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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
Not Available
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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
Brittle
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
3.70-4.10
4.39
Fracture
Conchoidal, Uneven, Conchoidal, Brittle, ConchoidalArthur Thomas, Gemstones (2009)
ConchoidalGemdat.org, Uneven
Cleavage
none
{111} Indistinct, {111} Indistinct, {111} Indistinct
Mohs Hardness
6.5-7
7.5-8
Chemical Composition
Ca 3Fe 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
Fe2+ Al 2O 4Gemdat.org , Management Team (2012)
Luster
Adamantine, Resinous
Vitreous
Pleochroism
Not Available
Not Available
Transparency
Transparent
Translucent
Refractive Index
1.88-1.94
1.80-1.83
Optic Character
Not Available
Not Available
Crystal System
cubic
Isometric Hexoctahedral H-M Symbol (4/m 3 2/m) Space Group: F d3m
Birefringence
0.057
Not Available
Clarity
Transparent
Translucent
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
Not Available
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Andradite Vs Hercynite Fracture
Fracture is an important parameter when you compare Andradite and Hercynite Physical Properties. It is necessary to understand the significance of these properties, before you compare Andradite Vs Hercynite 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 Andradite is Brittle, Conchoidal, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009) and Uneven. Hercynite fracture is ConchoidalGemdat.org and Uneven.
Andradite Vs Hercynite Luster
A primary knowledge about Andradite vs Hercynite 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. Andradite exhibits Adamantine and Resinous luster. Hercynite, on other hand, exhibits Vitreous luster.