Origin
USA, Zambia, Madagascar, India, Sri Lanka, Russia, Australia, Widespread; main sources are Brazil, Uruguay, Bolivia, Argentina, East Africa, Namibia, Brazil
India
Color
Violet, White, Colorless, Blue, Red, Green, Yellow, pink
Yellow, Greenish, Blue, Brown, Green, gray
For which Rashi?
Pisces, Scorpio, Sagittarius
-
Element of Planets
Water
-
Solubility
insoluble in common solvents
-
Specific Gravity
2.65
4.23
Fracture
Conchoidal, ConchoidalWalter Schumann
Conchoidal
Cleavage
Indiscernible
{111} Distinct
Chemical Composition
SiO2
CaMoO 4Michael OâDonoghue , Gems, Sixth Edition (2006)
Luster
Vitreous
Greasy, Subadamantine
Pleochroism
None
In deeply colored specimens: blue greenAnthony et al
Transparency
Transparent, Transparent to translucent
Transparent
Refractive Index
1.544-1.553
1.974-1.984
Crystal System
Trigonal
-
Birefringence
0.009
-9999
Clarity
Transparent
Transparent
Neurological
Enhances mental clarity and focus
-
Cardiovascular
Supports heart health
-
Reproductive
Supports reproductive health
-
Digestive
Supports digestive health
-
Healing
Emotional healing
Emotional healing
Qualities Associated
Spirituality
Vitality
Amethyst Vs Powellite Fracture
Fracture is an important parameter when you compare Amethyst and Powellite Physical Properties. It is necessary to understand the significance of these properties, before you compare Amethyst Vs Powellite 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. Powellite fracture is Conchoidal.
Amethyst Vs Powellite Luster
A primary knowledge about Amethyst vs Powellite 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. Powellite, on other hand, exhibits Greasy and Subadamantine luster.