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, Australia
Color
Brown, Green, White, Colorless, Yellow, Blue, gray, pink, Greenish
Brown, Yellow, Red, Green, Blue, gray, Violet
Streak
White
Yellow, White
Specific Gravity
2.98-3.10
3.0-3.5
Fracture
Sub-Conchoidal, Irregular/uneven, Uneven, Conchoidal
Uneven
Cleavage
[100] Perfect, [110] Good, [011] Distinct
Perfect
Chemical Composition
(Li,Na)Al(PO 4)(F,OH)Michael OâDonoghue , Gems, Sixth edition (2006) More from other references
Na(CaNa)(Mg,Fe++)5(Si8O22)(OH)2
Luster
Vitreous, Pearly
Vitreous
Pleochroism
weak to none
Strong: pale yellow
Refractive Index
1.578-1.646
1.615
Optic Character
Biaxial/+
-
Crystal System
Triclinic
monoclinic
Birefringence
0.020-0.030
0.021
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
-
Neurological
Enhances mental clarity and focus
Enhances mental clarity and focus
Cardiovascular
-
Supports heart health
Reproductive
Supports reproductive health
-
Healing
Emotional healing
Emotional healing
Qualities Associated
Peace
Self-Discovery
Amblygonite Vs Richterite Fracture
Fracture is an important parameter when you compare Amblygonite and Richterite Physical Properties. It is necessary to understand the significance of these properties, before you compare Amblygonite Vs Richterite 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. Richterite fracture is Uneven.
Amblygonite Vs Richterite Luster
A primary knowledge about Amblygonite vs Richterite 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. Richterite, on other hand, exhibits Vitreous luster.