Purpurite Vs Covellite
Origin
Southern and central Africa
Mexico
Color
Violet, Brownish, Black, pink, Red, Reddish
Blue, Black
Streak
Red
Grey, Black, gray
For which Rashi?
Not Available
Not Available
Planet
Not Available
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Element of Planets
Not Available
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Energy
Not Available
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Finger
Not Available
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Ring Metal
Not Available
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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
Not Available
Flexible
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
3.2-3.4
4.6-4.76
Fracture
Uneven, UnevenArthur Thomas, Gemstones (2009), Brittle
Gemstones (2009), UnevenArthur Thomas, Brittle, Metallic
Cleavage
[100] [001] perfect
Perfect on {0001}
Mohs Hardness
4-4.5
Not Available
Chemical Composition
MnPO 4Walter Schumann , Gemstones of the world (2001) More from other references
CuSMichael OâDonoghue , Gems, Sixth edition (2006) More from other references
Luster
Not Available
Resinous
Pleochroism
StrongArthur Thomas
Marked
Dispersion
Not Available
Not Available
Transparency
TranslucentWalter Schumann, Gemstones of the world (2001) More from other references
OpaqueAnthony et al, Handbook of mineralogy (2001) More from other references
Refractive Index
1.85-1.92
1.45-2.62
Optic Character
Not Available
Not Available
Crystal System
Orthorhombic
Hexagonal
Birefringence
0.070
Not Available
Clarity
TranslucentWalter Schumann
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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Purpurite Vs Covellite Fracture
Fracture is an important parameter when you compare Purpurite and Covellite Physical Properties. It is necessary to understand the significance of these properties, before you compare Purpurite 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 Purpurite is Uneven, UnevenArthur Thomas, Gemstones (2009) and Brittle. Covellite fracture is Gemstones (2009), UnevenArthur Thomas, Brittle and Metallic.
Purpurite Vs Covellite Luster
A primary knowledge about Purpurite 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. Covellite, on other hand, exhibits Resinous luster.