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
Color
Brown, Green, White, Colorless, Yellow, Blue, gray, pink, Greenish
Blue, Green, Greenish, Black
Specific Gravity
2.98-3.10
4.00-4.62
Fracture
Sub-Conchoidal, Irregular/uneven, Uneven, Conchoidal
Conchoidal, Uneven
Cleavage
[100] Perfect, [110] Good, [011] Distinct
Indistinct parting on [111]
Chemical Composition
(Li,Na)Al(PO 4)(F,OH)Michael OâDonoghue , Gems, Sixth edition (2006) More from other references
ZnAl 2O 4Michael OâDonoghue , Gems, Sixth Edition (2006)
Luster
Vitreous, Pearly
Vitreous
Pleochroism
weak to none
-
Refractive Index
1.578-1.646
1.790-1.818
Optic Character
Biaxial/+
-
Crystal System
Triclinic
cubic
Birefringence
0.020-0.030
-9999
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
TransparentUlrich Henn and Claudio C. Milisenda
Neurological
Enhances mental clarity and focus
Enhances mental clarity and focus
Respiratory
Excellent
Aids in digestion and soothes the stomach
Reproductive
Supports reproductive health
-
Psychology
Peace
Protection
Healing
Emotional healing
Emotional healing
Qualities Associated
Peace
Harmony
Amblygonite Vs Gahnite Fracture
Fracture is an important parameter when you compare Amblygonite and Gahnite Physical Properties. It is necessary to understand the significance of these properties, before you compare Amblygonite Vs Gahnite 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. Gahnite fracture is Conchoidal and Uneven.
Amblygonite Vs Gahnite Luster
A primary knowledge about Amblygonite vs Gahnite 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. Gahnite, on other hand, exhibits Vitreous luster.