Origin
Ethiopia, Afghanistan, China, Australia, Origins: Brazil (major source); also found in USA, Germany, France, UK, Finland, Norway, Sweden, Namibia, Zaire, China and Australia.
USA
Color
Brown, Green, White, Colorless, Yellow, Blue, gray, pink, Greenish
Blue, Green
Streak
White
Blue, Greenish, White
Specific Gravity
2.98-3.10
5.6-5.76
Fracture
Sub-Conchoidal, Irregular/uneven, Uneven, Conchoidal
Uneven
Cleavage
[100] Perfect, [110] Good, [011] Distinct
[001] perfect; [100] distinct
Chemical Composition
(Li,Na)Al(PO 4)(F,OH)Michael OâDonoghue , Gems, Sixth edition (2006) More from other references
Pb 5Cu 2(SO 4) 3(CO 3)(OH) 6Anthony et al , Handbook of mineralogy (2001)
Luster
Vitreous, Pearly
Vitreous
Pleochroism
weak to none
Weak
Transparency
-
Transparent
Refractive Index
1.578-1.646
1.818-1.909
Optic Character
Biaxial/+
-
Crystal System
Triclinic
Orthorhombic
Birefringence
0.020-0.030
0.091
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Transparent
Neurological
Enhances mental clarity and focus
-
Respiratory
Excellent
Good
Reproductive
Supports reproductive health
-
Psychology
Peace
Creativity
Healing
Emotional healing
-
Qualities Associated
Peace
-
Amblygonite Vs Caledonite Fracture
Fracture is an important parameter when you compare Amblygonite and Caledonite Physical Properties. It is necessary to understand the significance of these properties, before you compare Amblygonite Vs Caledonite 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. Caledonite fracture is Uneven.
Amblygonite Vs Caledonite Luster
A primary knowledge about Amblygonite vs Caledonite 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. Caledonite, on other hand, exhibits Vitreous luster.