Origin
Ethiopia, Afghanistan, China, Australia, Origins: Brazil (major source); also found in USA, Germany, France, UK, Finland, Norway, Sweden, Namibia, Zaire, China and Australia.
Afghanistan, Italy
Color
Brown, Green, White, Colorless, Yellow, Blue, gray, pink, Greenish
Blue, Colorless
Specific Gravity
2.98-3.10
2.55-2.65
Fracture
Sub-Conchoidal, Irregular/uneven, Uneven, Conchoidal
Conchoidal
Cleavage
[100] Perfect, [110] Good, [011] Distinct
Perfect {10 1 0}
Chemical Composition
(Li,Na)Al(PO 4)(F,OH)Michael OâDonoghue , Gems, Sixth edition (2006) More from other references
(Na,Ca,K) 8(Si,Al) 12O 24(SO 4,Cl,CO 3) 3(H 2O)Arthur Thomas , Gemstones (2009)
Luster
Vitreous, Pearly
Vitreous
Pleochroism
weak to none
-
Transparency
-
Transparent
Refractive Index
1.578-1.646
1.523
Optic Character
Biaxial/+
-
Crystal System
Triclinic
Trigonal
Birefringence
0.020-0.030
0.006
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Transparent
Neurological
Enhances mental clarity and focus
Enhances mental clarity and focus
Cardiovascular
-
Supports heart health
Respiratory
Excellent
Good
Reproductive
Supports reproductive health
-
Healing
Emotional healing
Emotional healing
Qualities Associated
Peace
Communication
Amblygonite Vs Afghanite Fracture
Fracture is an important parameter when you compare Amblygonite and Afghanite Physical Properties. It is necessary to understand the significance of these properties, before you compare Amblygonite Vs Afghanite 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. Afghanite fracture is Conchoidal.
Amblygonite Vs Afghanite Luster
A primary knowledge about Amblygonite vs Afghanite 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. Afghanite, on other hand, exhibits Vitreous luster.