Covellite Vs Cassiterite
Color
Blue, Black
Black, Brownish, Reddish, Brown, Red, Yellow, White, Colorless, Green, gray
Streak
Grey, Black, gray
White, Brownish
Tenacity
Flexible
Brittle
Specific Gravity
4.6-4.76
6.86-7.03
Fracture
-
Subconchoidal, Uneven, Conchoidal, Irregular
Cleavage
Perfect on {0001}
{100} imperfect, {110} indistinct; partings on {111} or {011}
Chemical Composition
CuSMichael OâDonoghue , Gems, Sixth edition (2006) More from other references
SnO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Resinous
Adamantine, Greasy
Pleochroism
Marked
Pleochroic haloes have been observed. Dichroic in yellow
Transparency
OpaqueAnthony et al
Transparent, Translucent
Refractive Index
1.45-2.62
1.990-2.105
Crystal System
Hexagonal
tetragonal
Birefringence
-9999
0.096-0.098
Clarity
OpaqueAnthony et al
Transparent
Neurological
Enhances mental clarity and focus
Enhances mental clarity and focus
Cardiovascular
Supports heart health
Supports heart health
Psychology
Transformation
Focus
Healing
Emotional healing
Emotional healing
Qualities Associated
Manifestation
Manifestation
Covellite Vs Cassiterite Fracture
Fracture is an important parameter when you compare Covellite and Cassiterite Physical Properties. It is necessary to understand the significance of these properties, before you compare Covellite Vs Cassiterite 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. Cassiterite fracture is Subconchoidal, Uneven, Conchoidal and Irregular.
Covellite Vs Cassiterite Luster
A primary knowledge about Covellite vs Cassiterite 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. Cassiterite, on other hand, exhibits Adamantine and Greasy luster.