Origin
Australia, Brazil, Burma, Canada, India, Madagascar, Sri Lanka, Tanzania
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, Ethiopia, Afghanistan, China and Australia., Axinite is a collectors stone that is rarely used in jewelry.
Color
Blue, Violet, Greenish, Brown, Colorless, Colorless, Blue, Violet, Yellow, gray
Brown, Green, White, Colorless, Yellow, Green, Blue, gray, Brown, pink, White, Yellow, gray, Greenish
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
2.57-2.66
2.98-3.10
Fracture
Subconchoidal, Conchoidal, Brittle
Sub-Conchoidal, Irregular/uneven, Sub-Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
Cleavage
Fair on {100}, poor on {001} and {010}
[100] Perfect, [110] Good, [011] Distinct
Chemical Composition
Mg2Al4Si5O18
(Li,Na)Al(PO 4)(F,OH)Michael OâDonoghue , Gems, Sixth edition (2006) More from other references
Luster
Greasy, Vitreous
Vitreous, Pearly
Pleochroism
X = pale yellow
weak to none
Transparency
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Gemmological Tables (2004) More from other references
Refractive Index
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1.578-1.646
Optic Character
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Biaxial/+
Crystal System
Orthorhombic
Triclinic
Birefringence
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0.020-0.030
Clarity
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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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Cordierite Vs Amblygonite Fracture
Fracture is an important parameter when you compare Cordierite and Amblygonite Physical Properties. It is necessary to understand the significance of these properties, before you compare Cordierite 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 Cordierite is Brittle, Conchoidal and Subconchoidal. Amblygonite fracture is ConchoidalArthur Thomas, ConchoidalArthur Thomas, Gemstones (2009), Gemstones (2009), Irregular/uneven, Sub-Conchoidal, Sub-Conchoidal and Uneven.
Cordierite Vs Amblygonite Luster
A primary knowledge about Cordierite 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. Cordierite exhibits Greasy and Vitreous luster. Amblygonite, on other hand, exhibits Pearly and Vitreous luster.