Origin
Ethiopia, Afghanistan, China, Australia, Origins: Brazil (major source); also found in USA, Germany, France, UK, Finland, Norway, Sweden, Namibia, Zaire, China and Australia.
Turkey, Russia, Canada
Color
Brown, Green, White, Colorless, Yellow, Blue, gray, pink, Greenish
Reddish, Brown
Specific Gravity
2.98-3.10
4.95-5.0
Fracture
Sub-Conchoidal, Irregular/uneven, Uneven, Conchoidal
Uneven
Cleavage
[100] Perfect, [110] Good, [011] Distinct
Imperfect to indistinct on {10 1 0}, parting on {0001}
Chemical Composition
(Li,Na)Al(PO 4)(F,OH)Michael OâDonoghue , Gems, Sixth edition (2006) More from other references
(Ce,La)(CO 3)FMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Vitreous, Pearly
Vitreous, Greasy, Pearly
Pleochroism
weak to none
Faint
Refractive Index
1.578-1.646
1.717-1.722
Optic Character
Biaxial/+
-
Crystal System
Triclinic
Hexagonal
Birefringence
0.020-0.030
0.100
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
TransparentUlrich Henn and Claudio C. Milisenda
Neurological
Enhances mental clarity and focus
-
Respiratory
Excellent
Good
Reproductive
Supports reproductive health
-
Psychology
Peace
Creativity
Healing
Emotional healing
Physical healing
Qualities Associated
Peace
Creativity
Amblygonite Vs Bastnasite Fracture
Fracture is an important parameter when you compare Amblygonite and Bastnasite Physical Properties. It is necessary to understand the significance of these properties, before you compare Amblygonite Vs Bastnasite 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. Bastnasite fracture is Uneven.
Amblygonite Vs Bastnasite Luster
A primary knowledge about Amblygonite vs Bastnasite 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. Bastnasite, on other hand, exhibits Vitreous, Greasy and Pearly luster.