Covellite Vs Chrysoberyl
Origin
Mexico
Brazil, Madagascar, Zimbabwe, Russia, Sri Lanka, India, Burma, Origins: Brazil
Color
Blue, Black
Greenish, Green, Brownish, Red, Blue, Brown, gray
Streak
Grey, Black, gray
White
Element of Planets
-
Earth, Water
Tenacity
Flexible
Brittle
Specific Gravity
4.6-4.76
3.69-3.81
Fracture
-
Uneven, Conchoidal to uneven, ConchoidalWalter Schumann
Cleavage
Perfect on {0001}
Distinct on {110}, imperfect on {010}, poor on {001}
Chemical Composition
CuSMichael OâDonoghue , Gems, Sixth edition (2006) More from other references
BeAl 2 O 4
Pleochroism
Marked
X = red; Y = yellow-orange; Z = emerald-green
Transparency
OpaqueAnthony et al
Transparent, Translucent, Transparent to translucent
Refractive Index
1.45-2.62
1.746-1.763
Optic Character
-
Biaxial/+
Crystal System
Hexagonal
Orthorhombic
Birefringence
-9999
0.007-0.013
Clarity
OpaqueAnthony et al
Transparent
Neurological
Enhances mental clarity and focus
-
Cardiovascular
Supports heart health
Supports heart health
Psychology
Transformation
Transformation
Healing
Emotional healing
Physical healing
Qualities Associated
Manifestation
Transformation
Covellite Vs Chrysoberyl Fracture
Fracture is an important parameter when you compare Covellite and Chrysoberyl Physical Properties. It is necessary to understand the significance of these properties, before you compare Covellite Vs Chrysoberyl 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. Chrysoberyl fracture is Uneven, Conchoidal to uneven and ConchoidalWalter Schumann.
Covellite Vs Chrysoberyl Luster
A primary knowledge about Covellite vs Chrysoberyl 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. Chrysoberyl, on other hand, exhibits Vitreous luster.