Andradite Vs Tortoiseshell
Origin
Italy, Russia
Southern and central Africa
Color
Colorless, Green, Black, Brown, Red, Greenish, Yellow, gray
Brown, Red, Green, Blue, Violet
Streak
White
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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
Brittle
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Solubility
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Durability
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Specific Gravity
3.70-4.10
1.25-1.35
Fracture
Conchoidal, Uneven, Conchoidal, Brittle, ConchoidalArthur Thomas, Gemstones (2009)
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Cleavage
none
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Mohs Hardness
6.5-7
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Chemical Composition
Ca 3Fe 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
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Luster
Adamantine, Resinous
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Pleochroism
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Transparency
Transparent
Gemmological Tables (2004)
Refractive Index
1.88-1.94
1.540-1.560
Optic Character
Not Available
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Crystal System
cubic
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Birefringence
0.057
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Clarity
Transparent
OpaqueUlrich 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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Andradite Vs Tortoiseshell Fracture
Fracture is an important parameter when you compare Andradite and Tortoiseshell Physical Properties. It is necessary to understand the significance of these properties, before you compare Andradite Vs Tortoiseshell 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.
Andradite Vs Tortoiseshell Luster
A primary knowledge about Andradite vs Tortoiseshell 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.