Origin
Canada, Madagascar, Southern and central Africa, Sri Lanka, USA
USA, Zambia, Madagascar, India, Sri Lanka, Russia, Australia, Widespread; main sources are Brazil, Uruguay, Bolivia, Argentina, East Africa, Namibia, Brazil
Color
Violet, Blue
Violet, White, Colorless, Blue, Red, Green, Yellow, pink
For which Rashi?
-
Pisces, Scorpio, Sagittarius
Element of Planets
-
Water
Solubility
-
insoluble in common solvents
Specific Gravity
2.56-2.66
2.65
Fracture
Uneven, ConchoidalWalter Schumann
Conchoidal, ConchoidalWalter Schumann
Cleavage
Distinct
Indiscernible
Chemical Composition
Mg 2Al 4Si 5O 18Ulrich Henn and Claudio C.
SiO2
Pleochroism
Strong trichroism: colorless to yellowish
None
Transparency
Transparent
Transparent, Transparent to translucent
Refractive Index
1.542-1.578
1.544-1.553
Optic Character
Biaxial/+
-
Crystal System
-
Trigonal
Birefringence
0.008-0.012
0.009
Clarity
Transparent
Transparent
Neurological
-
Enhances mental clarity and focus
Cardiovascular
-
Supports heart health
Reproductive
-
Supports reproductive health
Digestive
-
Supports digestive health
Psychology
Inner vision
Calming
Healing
Emotional healing
Emotional healing
Qualities Associated
Intuition
Spirituality
Cordierite Iolite Vs Amethyst Fracture
Fracture is an important parameter when you compare Cordierite Iolite and Amethyst Physical Properties. It is necessary to understand the significance of these properties, before you compare Cordierite Iolite Vs Amethyst 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 Cordierite Iolite is Uneven and ConchoidalWalter Schumann. Amethyst fracture is Conchoidal and ConchoidalWalter Schumann.
Cordierite Iolite Vs Amethyst Luster
A primary knowledge about Cordierite Iolite vs Amethyst 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. Cordierite Iolite exhibits Vitreous luster. Amethyst, on other hand, exhibits Vitreous luster.