Origin
Ethiopia, Afghanistan, China, Australia, Origins: Brazil (major source); also found in USA, Germany, France, UK, Finland, Norway, Sweden, Namibia, Zaire, China and Australia.
Austria, Brazil, Canada, India, Madagascar, Russia, Sri Lanka, USA
Color
Brown, Green, White, Colorless, Yellow, Blue, gray, pink, Greenish
Red, Brown, Brownish, Black
Specific Gravity
2.98-3.10
3.95-4.30
Fracture
Sub-Conchoidal, Irregular/uneven, Uneven, Conchoidal
Conchoidal
Cleavage
[100] Perfect, [110] Good, [011] Distinct
none
Chemical Composition
(Li,Na)Al(PO 4)(F,OH)Michael OâDonoghue , Gems, Sixth edition (2006) More from other references
Fe 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
Luster
Vitreous, Pearly
Greasy, Vitreous
Pleochroism
weak to none
None
Refractive Index
1.578-1.646
1.770-1.820
Optic Character
Biaxial/+
-
Crystal System
Triclinic
cubic
Birefringence
0.020-0.030
-9999
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
Supports reproductive health
Psychology
Peace
Strength
Healing
Emotional healing
Emotional healing
Qualities Associated
Peace
Devotion
Amblygonite Vs Almandine Fracture
Fracture is an important parameter when you compare Amblygonite and Almandine Physical Properties. It is necessary to understand the significance of these properties, before you compare Amblygonite Vs Almandine 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. Almandine fracture is Conchoidal.
Amblygonite Vs Almandine Luster
A primary knowledge about Amblygonite vs Almandine 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. Almandine, on other hand, exhibits Greasy and Vitreous luster.