Origin
India, Southern and central Africa, Madagascar
Ethiopia, Afghanistan, China, Australia, Color: light greenish blue, pale yellow or colorless. Hardness: 5.5 6, Refractive index: 1.58 1.61, Density: 3.04 3.11, Chemical composition: LiAl(PO4)F, Crystal structure: triclinic, Origins: Brazil (major source); also found in USA, Germany, France, UK, Finland, Norway, Sweden, Namibia, Zaire, China and Australia., Axinite is a collectors stone that is rarely used in jewelry.
Color
Black, Brownish, Greenish
Brown, Green, White, Colorless, Yellow, Blue, gray, pink, Greenish
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
3.18-3.22
2.98-3.10
Fracture
Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal
Sub-Conchoidal, Irregular/uneven, Uneven, ConchoidalArthur Thomas, Gemstones (2009)
Cleavage
{1011} Indistinct
[100] Perfect, [110] Good, [011] Distinct
Mohs Hardness
Not Available
6
Chemical Composition
Na(Fe2+3)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)
(Li,Na)Al(PO 4)(F,OH)Michael OâDonoghue , Gems, Sixth edition (2006) More from other references
Luster
Vitreous
Vitreous, Pearly
Pleochroism
Very strong: yellow-brown pale yellow
weak to none
Transparency
Transparent, Translucent
Gemmological Tables (2004) More from other references
Refractive Index
1.635-1.672
1.578-1.646
Optic Character
Not Available
Biaxial/+
Crystal System
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Triclinic
Birefringence
0.025
0.020-0.030
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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Schorl Vs Amblygonite Fracture
Fracture is an important parameter when you compare Schorl and Amblygonite Physical Properties. It is necessary to understand the significance of these properties, before you compare Schorl Vs Amblygonite 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 Schorl is Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle and Conchoidal. Amblygonite fracture is Sub-Conchoidal, Irregular/uneven, Uneven, ConchoidalArthur Thomas and Gemstones (2009).
Schorl Vs Amblygonite Luster
A primary knowledge about Schorl vs Amblygonite 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. Schorl exhibits Vitreous luster. Amblygonite, on other hand, exhibits Vitreous and Pearly luster.