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