Origin
Australia, Brazil, Canada, Colombia, Madagascar, Zimbabwe
USA, Mexico, Brazil, Switzerland, Sri Lanka, Burma, Madagascar, Origins: USA, Germany, Japan
Color
Brown
Yellow, Brown, Colorless, White, gray, Brownish
Streak
Brownish, Red, Black
White
Specific Gravity
5.2
2.97-3.03
Fracture
Subconchoidal, Conchoidal
Uneven, ConchoidalWalter Schumann, Conchoidal
Cleavage
Good in one direction
{001} Poor
Chemical Composition
(Fe,Mn)Ta 2O 6Walter Schumann , Gemstones of the world (2001) More from other references
CaB 2(SiO 4) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Resinous
Vitreous, Greasy
Pleochroism
-
Weak: pale yellow yellow
Transparency
TransparentWalter Schumann
-
Refractive Index
2.190-2.457
1.627-1.639
Optic Character
-
Biaxial/+
Crystal System
Orthorhombic
Orthorhombic
Birefringence
0.083
0.006
Clarity
TransparentWalter Schumann
TransparentUlrich Henn and Claudio C. Milisenda
Neurological
-
Enhances mental clarity and focus
Cardiovascular
-
Supports heart health
Psychology
Strength
Spiritual Awareness
Healing
Emotional healing
Emotional healing
Qualities Associated
Balance
Spiritual Awakening
Tantalite Vs Danburite Fracture
Fracture is an important parameter when you compare Tantalite and Danburite Physical Properties. It is necessary to understand the significance of these properties, before you compare Tantalite Vs Danburite 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. Danburite fracture is Uneven, ConchoidalWalter Schumann and Conchoidal.
Tantalite Vs Danburite Luster
A primary knowledge about Tantalite vs Danburite 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. Danburite, on other hand, exhibits Vitreous and Greasy luster.