Origin
Ethiopia, Afghanistan, China, Australia, Origins: Brazil (major source); also found in USA, Germany, France, UK, Finland, Norway, Sweden, Namibia, Zaire, China and Australia.
Afghanistan, Sri Lanka
Color
Brown, Green, White, Colorless, Yellow, Blue, gray, pink, Greenish
Colorless, Blue
Specific Gravity
2.98-3.10
2.90-3.40
Fracture
Sub-Conchoidal, Irregular/uneven, Uneven, Conchoidal
Uneven, ConchoidalWalter Schumann
Cleavage
[100] Perfect, [110] Good, [011] Distinct
Indiscernible
Chemical Composition
(Li,Na)Al(PO 4)(F,OH)Michael OâDonoghue , Gems, Sixth edition (2006) More from other references
Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) Formula given for elbaite.
Luster
Vitreous, Pearly
-
Pleochroism
weak to none
-
Transparency
-
Transparent, Translucent
Refractive Index
1.578-1.646
1.614-1.666
Optic Character
Biaxial/+
-
Crystal System
Triclinic
-
Birefringence
0.020-0.030
0.014-0.040
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Transparent
Neurological
Enhances mental clarity and focus
-
Respiratory
Excellent
Excellent
Reproductive
Supports reproductive health
-
Healing
Emotional healing
Emotional healing
Qualities Associated
Peace
Spiritual Growth
Amblygonite Vs Achroite Fracture
Fracture is an important parameter when you compare Amblygonite and Achroite Physical Properties. It is necessary to understand the significance of these properties, before you compare Amblygonite Vs Achroite 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. Achroite fracture is Uneven and ConchoidalWalter Schumann.
Amblygonite Vs Achroite Luster
A primary knowledge about Amblygonite vs Achroite 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.