Origin
Ethiopia, Afghanistan, China, Australia, Origins: Brazil (major source); also found in USA, Germany, France, UK, Finland, Norway, Sweden, Namibia, Zaire, China and Australia.
Southern and central Africa
Color
Brown, Green, White, Colorless, Yellow, Blue, gray, pink, Greenish
Black, Brownish, Brown
Specific Gravity
2.98-3.10
4.5-4.8
Fracture
Sub-Conchoidal, Irregular/uneven, Uneven, Conchoidal
Uneven
Cleavage
[100] Perfect, [110] Good, [011] Distinct
None, parting may develop along {111}
Chemical Composition
(Li,Na)Al(PO 4)(F,OH)Michael OâDonoghue , Gems, Sixth edition (2006) More from other references
Fe++Cr2O4
Luster
Vitreous, Pearly
-
Pleochroism
weak to none
none.
Refractive Index
1.578-1.646
2.08-2.16
Optic Character
Biaxial/+
-
Crystal System
Triclinic
Isometric
Birefringence
0.020-0.030
-9999
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
-
Neurological
Enhances mental clarity and focus
-
Respiratory
Excellent
Poor
Reproductive
Supports reproductive health
-
Psychology
Peace
Vitality
Healing
Emotional healing
Emotional healing
Qualities Associated
Peace
Protection
Amblygonite Vs Chromite Fracture
Fracture is an important parameter when you compare Amblygonite and Chromite Physical Properties. It is necessary to understand the significance of these properties, before you compare Amblygonite Vs Chromite 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. Chromite fracture is Uneven.
Amblygonite Vs Chromite Luster
A primary knowledge about Amblygonite vs Chromite 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.