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