Origin
Australia, Brazil, Canada, Colombia, Madagascar, Zimbabwe
Ethiopia, Afghanistan, China, Australia, Origins: Brazil (major source); also found in USA, Germany, France, UK, Finland, Norway, Sweden, Namibia, Zaire, China and Australia.
Color
Brown
Brown, Green, White, Colorless, Yellow, Blue, gray, pink, Greenish
Streak
Brownish, Red, Black
White
Specific Gravity
5.2
2.98-3.10
Fracture
Subconchoidal, Conchoidal
Sub-Conchoidal, Irregular/uneven, Uneven, Conchoidal
Cleavage
Good in one direction
[100] Perfect, [110] Good, [011] Distinct
Chemical Composition
(Fe,Mn)Ta 2O 6Walter Schumann , Gemstones of the world (2001) More from other references
(Li,Na)Al(PO 4)(F,OH)Michael OâDonoghue , Gems, Sixth edition (2006) More from other references
Luster
Resinous
Vitreous, Pearly
Pleochroism
-
weak to none
Transparency
TransparentWalter Schumann
-
Refractive Index
2.190-2.457
1.578-1.646
Optic Character
-
Biaxial/+
Crystal System
Orthorhombic
Triclinic
Birefringence
0.083
0.020-0.030
Clarity
TransparentWalter Schumann
TransparentUlrich Henn and Claudio C. Milisenda
Neurological
-
Enhances mental clarity and focus
Reproductive
-
Supports reproductive health
Psychology
Strength
Peace
Healing
Emotional healing
Emotional healing
Qualities Associated
Balance
Peace
Tantalite Vs Amblygonite Fracture
Fracture is an important parameter when you compare Tantalite and Amblygonite Physical Properties. It is necessary to understand the significance of these properties, before you compare Tantalite 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 Tantalite is Subconchoidal and Conchoidal. Amblygonite fracture is Sub-Conchoidal, Irregular/uneven, Uneven and Conchoidal.
Tantalite Vs Amblygonite Luster
A primary knowledge about Tantalite 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. Tantalite exhibits Resinous luster. Amblygonite, on other hand, exhibits Vitreous and Pearly luster.