Origin
USA, Zambia, Madagascar, India, Sri Lanka, Russia, Australia, Widespread; main sources are Brazil, Uruguay, Bolivia, Argentina, East Africa, Namibia, Brazil
Mexico
Color
Violet, White, Colorless, Blue, Red, Green, Yellow, pink
Blue, Black
Streak
White
Grey, Black, gray
For which Rashi?
Pisces, Scorpio, Sagittarius
-
Element of Planets
Water
-
Solubility
insoluble in common solvents
-
Specific Gravity
2.65
4.6-4.76
Fracture
Conchoidal, ConchoidalWalter Schumann
-
Cleavage
Indiscernible
Perfect on {0001}
Chemical Composition
SiO2
CuSMichael OâDonoghue , Gems, Sixth edition (2006) More from other references
Transparency
Transparent, Transparent to translucent
OpaqueAnthony et al
Refractive Index
1.544-1.553
1.45-2.62
Crystal System
Trigonal
Hexagonal
Birefringence
0.009
-9999
Clarity
Transparent
OpaqueAnthony et al
Neurological
Enhances mental clarity and focus
Enhances mental clarity and focus
Cardiovascular
Supports heart health
Supports heart health
Reproductive
Supports reproductive health
-
Digestive
Supports digestive health
-
Psychology
Calming
Transformation
Healing
Emotional healing
Emotional healing
Qualities Associated
Spirituality
Manifestation
Amethyst Vs Covellite Fracture
Fracture is an important parameter when you compare Amethyst and Covellite Physical Properties. It is necessary to understand the significance of these properties, before you compare Amethyst 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 Amethyst is Conchoidal and ConchoidalWalter Schumann.
Amethyst Vs Covellite Luster
A primary knowledge about Amethyst 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. Amethyst exhibits Vitreous luster. Covellite, on other hand, exhibits Resinous luster.