Sugilite Vs Covellite
Origin
Canada, Southern and central Africa, Italy, Australia, India
Mexico
Color
Violet, Brownish, Yellow, Reddish, Pale pink
Blue, Blue, Black
Streak
White
Grey, Black, gray
For which Rashi?
Virgo
Not Available
Planet
Mercury, Jupiter
Not Available
Element of Planets
Water
Not Available
Finger
Not Available
Not Available
Ring Metal
Not Available
Not Available
Energy
Receptive
Not Available
Deities
The All
Not Available
Not to wear with
Not Available
Not Available
Powers
Not Available
Not Available
Planetary
All
Not Available
Talisman
Not Available
Not Available
Tenacity
Not Available
Flexible
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
2.69-2.79
4.6-4.76
Fracture
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Brittle, Metallic
Cleavage
Poor on {0001}
Perfect on {0001}
Mohs Hardness
5.5-6.5
Not Available
Chemical Composition
KNa 2(Fe3+ ,Mn3+ ,Al) 2Li 3Si 12O 30Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
CuSMichael OâDonoghue , Gems, Sixth edition (2006) More from other references
Dispersion
Not Available
Not Available
Transparency
Translucent
OpaqueAnthony et al, Handbook of mineralogy (2001) More from other references
Refractive Index
1.607-1.612
1.45-2.62
Optic Character
Not Available
Not Available
Crystal System
Hexagonal
Hexagonal
Birefringence
0.003
Not Available
Clarity
Translucent
OpaqueAnthony et al
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
Sugilite Vs Covellite Fracture
Fracture is an important parameter when you compare Sugilite and Covellite Physical Properties. It is necessary to understand the significance of these properties, before you compare Sugilite 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 Sugilite is ConchoidalArthur Thomas, ConchoidalArthur Thomas, Gemstones (2009) and Gemstones (2009). Covellite fracture is Brittle, Gemstones (2009), Gemstones (2009), Metallic and UnevenArthur Thomas.
Sugilite Vs Covellite Luster
A primary knowledge about Sugilite 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. Sugilite exhibits Vitreous luster. Covellite, on other hand, exhibits Resinous luster.