Rosasite Vs Covellite
Color
Blue, Green
Blue, Blue, Black
Streak
Blue, Green
Grey, Black, gray
For which Rashi?
Not Available
Not Available
Planet
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Element of Planets
Not Available
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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
Brittle
Flexible
Solubility
Effervesces in cold
Not Available
Durability
Not Available
Not Available
Specific Gravity
4-4.2
4.6-4.76
Fracture
Splintery
Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Brittle, Metallic
Cleavage
Perfect on {100} and {010}
Perfect on {0001}
Mohs Hardness
4
Not Available
Chemical Composition
Not Available
CuSMichael OâDonoghue , Gems, Sixth edition (2006) More from other references
Luster
Silky, Vitreous
Resinous
Pleochroism
Strong: X = pale emerald green or colourless; Y = dark emerald green or pale blue; Z = dark emerald green or pale blue
Marked
Dispersion
Not Available
Not Available
Transparency
Not Available
OpaqueAnthony et al, Handbook of mineralogy (2001) More from other references
Refractive Index
1.672-1.688
1.45-2.62
Optic Character
Not Available
Not Available
Crystal System
monoclinic
Hexagonal
Birefringence
0.139-0.143
Not Available
Clarity
Not Available
OpaqueAnthony et al
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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Rosasite Vs Covellite Fracture
Fracture is an important parameter when you compare Rosasite and Covellite Physical Properties. It is necessary to understand the significance of these properties, before you compare Rosasite Vs Covellite 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 Rosasite is Splintery. Covellite fracture is Brittle, Gemstones (2009), Gemstones (2009), Metallic and UnevenArthur Thomas.
Rosasite Vs Covellite Luster
A primary knowledge about Rosasite vs Covellite 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. Rosasite exhibits Silky and Vitreous luster. Covellite, on other hand, exhibits Resinous luster.