Bytownite Vs Danburite
Origin
Canada, Southern and central Africa, Australia
USA, Mexico, Brazil, Switzerland, Sri Lanka, Burma, Madagascar, Origins: USA, Germany, Japan
Color
Colorless, White, gray
Yellow, Brown, Colorless, White, gray, Brownish
Specific Gravity
2.72-2.75
2.97-3.03
Fracture
Uneven
Uneven, ConchoidalWalter Schumann, Conchoidal
Cleavage
Perfect on [001], good on [010], imperfect on [110]
{001} Poor
Chemical Composition
Ca(70-90%)Na(30-10%)(Al,Si)AlSi 2O 8Michael OâDonoghue , Gems, Sixth Edition (2006)
CaB 2(SiO 4) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Vitreous, Pearly
Vitreous, Greasy
Pleochroism
colorless.
Weak: pale yellow yellow
Transparency
Transparent
-
Refractive Index
1.561-1.583
1.627-1.639
Optic Character
-
Biaxial/+
Crystal System
Triclinic
Orthorhombic
Birefringence
0.010-0.011
0.006
Clarity
Transparent
TransparentUlrich Henn and Claudio C. Milisenda
Neurological
-
Enhances mental clarity and focus
Cardiovascular
-
Supports heart health
Psychology
Clarity
Spiritual Awareness
Healing
Emotional healing
Emotional healing
Qualities Associated
Clarity
Spiritual Awakening
Bytownite Vs Danburite Fracture
Fracture is an important parameter when you compare Bytownite and Danburite Physical Properties. It is necessary to understand the significance of these properties, before you compare Bytownite 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 Bytownite is Uneven. Danburite fracture is Uneven, ConchoidalWalter Schumann and Conchoidal.
Bytownite Vs Danburite Luster
A primary knowledge about Bytownite 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. Bytownite exhibits Vitreous and Pearly luster. Danburite, on other hand, exhibits Vitreous and Greasy luster.