Covellite Vs Malachite
Origin
Mexico
Southern and central Africa, green
Color
Blue, Blue, Black
Green
Streak
Grey, Black, gray
Green
For which Rashi?
Not Available
Capricorn, Scorpio, Capricorn, Scorpio, Capricorn, Scorpio
Planet
Not Available
Venus
Element of Planets
Not Available
Earth
Energy
Not Available
Receptive
Finger
Not Available
Not Available
Ring Metal
Not Available
Not Available
Deities
Not Available
Freyja
Not to wear with
Not Available
Not Available
Powers
Not Available
Protection
Planetary
Not Available
Not Available
Talisman
Not Available
Not Available
Tenacity
Flexible
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
4.6-4.76
3.25-4.10
Fracture
Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Brittle, Metallic
Conchoidal, Conchoidal, Gemstones (2009), Uneven
Cleavage
Perfect on {0001}
Perfect on { 2 01} fair on {010}
Mohs Hardness
Not Available
3.5-4
Chemical Composition
CuSMichael OâDonoghue , Gems, Sixth edition (2006) More from other references
Cu2CO3(OH)2
Luster
Resinous
Adamantine, Vitreous, Silky, Fibrous
Pleochroism
Marked
Not Available
Dispersion
Not Available
None
Transparency
OpaqueAnthony et al, Handbook of mineralogy (2001) More from other references
Opaque
Refractive Index
1.45-2.62
1.655-1.909
Optic Character
Not Available
Not Available
Crystal System
Hexagonal
monoclinic
Birefringence
Not Available
0.254
Clarity
OpaqueAnthony et al
Gemmological Tables (2004) More from other references
Neurological
Not Available
Not Available
Cardiovascular
Not Available
Not Available
Respiratory
Not Available
Not Available
Reproductive
Not Available
Not Available
Digestive
Not Available
Not Available
Psychology
Not Available
Not Available
Healing
Not Available
Not Available
Qualities Associated
Not Available
Not Available
Covellite Vs Malachite Fracture
Fracture is an important parameter when you compare Covellite and Malachite Physical Properties. It is necessary to understand the significance of these properties, before you compare Covellite Vs Malachite 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 Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Brittle and Metallic. Malachite fracture is Conchoidal, Conchoidal, Gemstones (2009) and Uneven.
Covellite Vs Malachite Luster
A primary knowledge about Covellite vs Malachite 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. Malachite, on other hand, exhibits Adamantine, Vitreous, Silky and Fibrous luster.
