Origin
Ethiopia, Afghanistan, China, Australia, Origins: Brazil (major source); also found in USA, Germany, France, UK, Finland, Norway, Sweden, Namibia, Zaire, China and Australia.
Australia, Brazil, Burma, Canada, India, Madagascar, Sri Lanka, Tanzania
Color
Brown, Green, White, Colorless, Yellow, Blue, gray, pink, Greenish
Blue, Violet, Greenish, Brown, Colorless, Yellow, gray
Specific Gravity
2.98-3.10
2.57-2.66
Fracture
Sub-Conchoidal, Irregular/uneven, Uneven, Conchoidal
Subconchoidal, Conchoidal
Cleavage
[100] Perfect, [110] Good, [011] Distinct
Fair on {100}, poor on {001} and {010}
Chemical Composition
(Li,Na)Al(PO 4)(F,OH)Michael OâDonoghue , Gems, Sixth edition (2006) More from other references
Mg2Al4Si5O18
Luster
Vitreous, Pearly
Greasy, Vitreous
Pleochroism
weak to none
X = pale yellow
Refractive Index
1.578-1.646
-9999
Optic Character
Biaxial/+
-
Crystal System
Triclinic
Orthorhombic
Birefringence
0.020-0.030
-9999
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
-
Neurological
Enhances mental clarity and focus
Supports healthy digestion
Respiratory
Excellent
Good
Reproductive
Supports reproductive health
-
Psychology
Peace
Intuition
Healing
Emotional healing
Emotional healing
Qualities Associated
Peace
Psychic Abilities
Amblygonite Vs Cordierite Fracture
Fracture is an important parameter when you compare Amblygonite and Cordierite Physical Properties. It is necessary to understand the significance of these properties, before you compare Amblygonite Vs Cordierite 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 Amblygonite is Sub-Conchoidal, Irregular/uneven, Uneven and Conchoidal. Cordierite fracture is Subconchoidal and Conchoidal.
Amblygonite Vs Cordierite Luster
A primary knowledge about Amblygonite vs Cordierite 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. Amblygonite exhibits Vitreous and Pearly luster. Cordierite, on other hand, exhibits Greasy and Vitreous luster.