Covellite Vs Benitoite
Origin
Mexico
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.
Color
Blue, Blue, Black
Violet, Blue, Colorless, Blue, pink, White, Colorless
Streak
Grey, Black, gray
White
For which Rashi?
Not Available
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Planet
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Element of Planets
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Finger
Not Available
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Ring Metal
Not Available
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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
Flexible
Not Available
Solubility
Not Available
Insoluble: HCl
Durability
Not Available
Not Available
Specific Gravity
4.6-4.76
3.61-3.68
Fracture
Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Brittle, Metallic
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle
Cleavage
Perfect on {0001}
[10 1 1] poor
Mohs Hardness
Not Available
6-6.5
Chemical Composition
CuSMichael OâDonoghue , Gems, Sixth edition (2006) More from other references
BaTiSi 3O 9Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Pleochroism
Marked
O = colorless; E = purple
Transparency
OpaqueAnthony et al, Handbook of mineralogy (2001) More from other references
Transparent
Refractive Index
1.45-2.62
1.757-1.804
Optic Character
Not Available
Not Available
Crystal System
Hexagonal
Hexagonal
Birefringence
Not Available
0.047
Clarity
OpaqueAnthony et al
Transparent
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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Covellite Vs Benitoite Fracture
Fracture is an important parameter when you compare Covellite and Benitoite Physical Properties. It is necessary to understand the significance of these properties, before you compare Covellite Vs Benitoite 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 Covellite is Brittle, Gemstones (2009), Gemstones (2009), Metallic and UnevenArthur Thomas. Benitoite fracture is Brittle, Conchoidal, Conchoidal, ConchoidalArthur Thomas and Gemstones (2009).
Covellite Vs Benitoite Luster
A primary knowledge about Covellite vs Benitoite 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. Covellite exhibits Resinous luster. Benitoite, on other hand, exhibits Vitreous luster.