Origin
Ethiopia, Afghanistan, China, Australia, Origins: Brazil (major source); also found in USA, Germany, France, UK, Finland, Norway, Sweden, Namibia, Zaire, China and Australia.
Canada, Southern and central Africa, Australia
Color
Brown, Green, White, Colorless, Yellow, Blue, gray, pink, Greenish
Colorless, White, gray
Specific Gravity
2.98-3.10
2.72-2.75
Fracture
Sub-Conchoidal, Irregular/uneven, Uneven, Conchoidal
Uneven
Cleavage
[100] Perfect, [110] Good, [011] Distinct
Perfect on [001], good on [010], imperfect on [110]
Chemical Composition
(Li,Na)Al(PO 4)(F,OH)Michael OâDonoghue , Gems, Sixth edition (2006) More from other references
Ca(70-90%)Na(30-10%)(Al,Si)AlSi 2O 8Michael OâDonoghue , Gems, Sixth Edition (2006)
Luster
Vitreous, Pearly
Vitreous, Pearly
Pleochroism
weak to none
colorless.
Transparency
-
Transparent
Refractive Index
1.578-1.646
1.561-1.583
Optic Character
Biaxial/+
-
Crystal System
Triclinic
Triclinic
Birefringence
0.020-0.030
0.010-0.011
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Transparent
Neurological
Enhances mental clarity and focus
-
Respiratory
Excellent
Poor
Reproductive
Supports reproductive health
-
Healing
Emotional healing
Emotional healing
Qualities Associated
Peace
Clarity
Amblygonite Vs Bytownite Fracture
Fracture is an important parameter when you compare Amblygonite and Bytownite Physical Properties. It is necessary to understand the significance of these properties, before you compare Amblygonite Vs Bytownite 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. Bytownite fracture is Uneven.
Amblygonite Vs Bytownite Luster
A primary knowledge about Amblygonite vs Bytownite 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. Bytownite, on other hand, exhibits Vitreous and Pearly luster.