Benitoite Vs Dallasite
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.
Southern and central Africa
Color
Violet, Blue, Colorless, Blue, pink, White, Colorless
Green
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
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Solubility
Insoluble: HCl
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Durability
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Specific Gravity
3.61-3.68
2.58-2.91
Fracture
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle
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Cleavage
[10 1 1] poor
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Mohs Hardness
6-6.5
6.5-7
Chemical Composition
BaTiSi 3O 9Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
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Luster
Vitreous
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Pleochroism
O = colorless; E = purple
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Transparency
Transparent
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Refractive Index
1.757-1.804
1.540
Optic Character
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Crystal System
Hexagonal
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Birefringence
0.047
0.008-0.010
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 Dallasite Fracture
Fracture is an important parameter when you compare Benitoite and Dallasite Physical Properties. It is necessary to understand the significance of these properties, before you compare Benitoite Vs Dallasite 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).
Benitoite Vs Dallasite Luster
A primary knowledge about Benitoite vs Dallasite 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.