Origin
USA, Mexico, Brazil, Switzerland, Sri Lanka, Burma, Madagascar, Origins: USA, Germany, Japan
Tanzania, Madagascar, Kenya, Sri Lanka, Burma, Australia
Color
Yellow, Brown, Colorless, White, gray, Brownish
Green, Brown, Colorless, Greenish, Yellow
Specific Gravity
2.97-3.03
3.25-3.45
Fracture
Uneven, ConchoidalWalter Schumann, Conchoidal
Conchoidal, Uneven
Cleavage
{001} Poor
Good on {110}
Chemical Composition
CaB 2(SiO 4) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Mg 3Al 6(Si,Al,B) 5O 21(OH)Walter Schumann , Gemstones of the world (2001) More from other references
Luster
Vitreous, Greasy
Vitreous
Pleochroism
Weak: pale yellow yellow
X = colorless to green; Y = colorless
Refractive Index
1.627-1.639
1.660-1.685
Optic Character
Biaxial/+
-
Crystal System
Orthorhombic
Orthorhombic
Birefringence
0.006
0.012-0.017
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
TransparentUlrich Henn and Claudio C. Milisenda
Neurological
Enhances mental clarity and focus
-
Cardiovascular
Supports heart health
-
Psychology
Spiritual Awareness
Harmony
Healing
Emotional healing
Emotional healing
Qualities Associated
Spiritual Awakening
Self-worth
Danburite Vs Kornerupine Fracture
Fracture is an important parameter when you compare Danburite and Kornerupine Physical Properties. It is necessary to understand the significance of these properties, before you compare Danburite Vs Kornerupine 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 Danburite is Uneven, ConchoidalWalter Schumann and Conchoidal. Kornerupine fracture is Conchoidal and Uneven.
Danburite Vs Kornerupine Luster
A primary knowledge about Danburite vs Kornerupine 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. Danburite exhibits Vitreous and Greasy luster. Kornerupine, on other hand, exhibits Vitreous luster.