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