Covellite Vs Super Seven Crystals
Color
Blue, Blue, Black
Brown, Green, Brownish, Yellow, Greenish, White, Brown, Black
Streak
Grey, Black, gray
White
For which Rashi?
Not Available
Not Available
Planet
Not Available
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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
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Durability
Not Available
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Specific Gravity
4.6-4.76
2.9
Fracture
Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Brittle, Metallic
Fibrous
Cleavage
Perfect on {0001}
[010] Perfect, [100] Distinct, [011] Distinct
Mohs Hardness
Not Available
2
Chemical Composition
CuSMichael OâDonoghue , Gems, Sixth edition (2006) More from other references
Not Available
Luster
Resinous
Vitreous, Pearly, Silky
Pleochroism
Marked
Not Available
Dispersion
Not Available
Not Available
Transparency
OpaqueAnthony et al, Handbook of mineralogy (2001) More from other references
Transparent, Translucent, Opaque
Refractive Index
1.45-2.62
1.519-1.521
Optic Character
Not Available
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Crystal System
Hexagonal
monoclinic
Birefringence
Not Available
0.0090-0.0100
Clarity
OpaqueAnthony et al
Not Available
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 Super Seven Crystals Fracture
Fracture is an important parameter when you compare Covellite and Super Seven Crystals Physical Properties. It is necessary to understand the significance of these properties, before you compare Covellite Vs Super Seven Crystals 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. Super Seven Crystals fracture is Fibrous.
Covellite Vs Super Seven Crystals Luster
A primary knowledge about Covellite vs Super Seven Crystals 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. Super Seven Crystals, on other hand, exhibits Pearly, Silky and Vitreous luster.