Origin
USA, Zambia, Madagascar, India, Sri Lanka, Russia, Australia, Widespread; main sources are Brazil, Uruguay, Bolivia, Argentina, East Africa, Namibia, Brazil
Australia
Color
Violet, White, Colorless, Blue, Red, Green, Yellow, pink
White, Colorless, Blue, Red, Green, Yellow, Violet
For which Rashi?
Pisces, Scorpio, Sagittarius
-
Element of Planets
Water
-
Solubility
insoluble in common solvents
-
Specific Gravity
2.65
1.97-2.22
Fracture
Conchoidal, ConchoidalWalter Schumann
Conchoidal
Cleavage
Indiscernible
None
Chemical Composition
SiO2
SiO 2 + H 2OUlrich Henn and Claudio C.
Transparency
Transparent, Transparent to translucent
Transparent, Translucent
Refractive Index
1.544-1.553
1.370-1.470
Crystal System
Trigonal
-
Birefringence
0.009
-9999
Clarity
Transparent
Transparent
Neurological
Enhances mental clarity and focus
Enhances mental clarity and focus
Cardiovascular
Supports heart health
-
Reproductive
Supports reproductive health
-
Digestive
Supports digestive health
-
Psychology
Calming
Transformation
Healing
Emotional healing
Emotional healing
Qualities Associated
Spirituality
Mystery
Amethyst Vs Black Opal Fracture
Fracture is an important parameter when you compare Amethyst and Black Opal Physical Properties. It is necessary to understand the significance of these properties, before you compare Amethyst Vs Black Opal 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. Black Opal fracture is Conchoidal.
Amethyst Vs Black Opal Luster
A primary knowledge about Amethyst vs Black Opal 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.