Origin
USA, Color: blue or violetish blue, colorless, Hardness: 6 6.5, Refractive index: 1.76 1.80, Density: 3.60 3.68, Chemical composition: BaTiSi3O9, Crystal structure: hexagonal, Lustre: vitreous, Origins: San Benito Country, USA. Very rare collectors stone. Found only in San Benito County, California, USA, with specimens over 2 ct. being extremely rare.
Australia, Brazil, Burma, Canada, India, Madagascar, Sri Lanka, Tanzania
Color
Violet, Blue, Colorless, Blue, pink, White, Colorless
Blue, Violet, Greenish, Brown, Colorless, Colorless, Blue, Violet, Yellow, gray
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
Insoluble: HCl
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Durability
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Specific Gravity
3.61-3.68
2.57-2.66
Fracture
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle
Subconchoidal, Conchoidal, Brittle
Cleavage
[10 1 1] poor
Fair on {100}, poor on {001} and {010}
Mohs Hardness
6-6.5
7-7.5
Chemical Composition
BaTiSi 3O 9Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Mg2Al4Si5O18
Luster
Vitreous
Greasy, Vitreous
Pleochroism
O = colorless; E = purple
X = pale yellow
Transparency
Transparent
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Refractive Index
1.757-1.804
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Optic Character
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Crystal System
Hexagonal
Orthorhombic
Birefringence
0.047
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Clarity
Transparent
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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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Benitoite Vs Cordierite Fracture
Fracture is an important parameter when you compare Benitoite and Cordierite Physical Properties. It is necessary to understand the significance of these properties, before you compare Benitoite Vs Cordierite 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 Benitoite is Brittle, Conchoidal, Conchoidal, ConchoidalArthur Thomas and Gemstones (2009). Cordierite fracture is Brittle, Conchoidal and Subconchoidal.
Benitoite Vs Cordierite Luster
A primary knowledge about Benitoite vs Cordierite 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. Benitoite exhibits Vitreous luster. Cordierite, on other hand, exhibits Greasy and Vitreous luster.