Covellite Vs Chromite
Origin
Mexico
Southern and central Africa
Color
Blue, Blue, Black
Black, Brownish, Brown, Black, Brownish
Streak
Grey, Black, gray
Brown
For which Rashi?
Not Available
Not Available
Planet
Not Available
Not Available
Element of Planets
Not Available
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Finger
Not Available
Not Available
Ring Metal
Not Available
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Energy
Not Available
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Deities
Not Available
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Not to wear with
Not Available
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Powers
Not Available
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Planetary
Not Available
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Talisman
Not Available
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Tenacity
Flexible
Brittle
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
4.6-4.76
4.5-4.8
Fracture
Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Brittle, Metallic
Uneven
Cleavage
Perfect on {0001}
None, parting may develop along {111}
Mohs Hardness
Not Available
5.5
Chemical Composition
CuSMichael OâDonoghue , Gems, Sixth edition (2006) More from other references
Fe++Cr2O4
Luster
Resinous
Not Available
Dispersion
Not Available
Not Available
Transparency
OpaqueAnthony et al, Handbook of mineralogy (2001) More from other references
Not Available
Refractive Index
1.45-2.62
2.08-2.16
Optic Character
Not Available
Not Available
Crystal System
Hexagonal
Isometric
Birefringence
Not Available
Not Available
Clarity
OpaqueAnthony et al
Not Available
Neurological
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Cardiovascular
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Respiratory
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Reproductive
Not Available
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Digestive
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Psychology
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Healing
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Qualities Associated
Not Available
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Covellite Vs Chromite Fracture
Fracture is an important parameter when you compare Covellite and Chromite Physical Properties. It is necessary to understand the significance of these properties, before you compare Covellite Vs Chromite 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. Chromite fracture is Uneven.
Covellite Vs Chromite Luster
A primary knowledge about Covellite vs Chromite 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.