Danburite Specifications
Danburite Specifications include its chemical, physical and optical properties of natural gemstones. These are displayed through measurements of light dispersion, hardness, density or specific gravity, cleavage, fracture, tenacity, refractive index and luster. These properties vary depending on the type of natural gemstone. Here, to give you a basic insight about Danburite, we provide you with a few prominent Danburite facts.
The gem is commonly found in Brazil, Brazil, Burma, Burma, Chemical composition: Ca(B2Si2O8), Color: colorless, Crystal structure: orthorhombic, Density: 2.98 3.03, Germany, Hardness: 7, Japan. Colorless danburites are common, light pink, light yellow, Madagascar, Madagascar, Mexico, Mexico, Origins: USA, Refractive index: 1.63 1.64, Sri Lanka, Sri Lanka, Switzerland, Switzerland, USA and with light pink or yellowish stones being more rare and expensive. Only eye clean pieces are valuable..Chemical formula is majorly responsible in contributing the Physical Properties of Danburite. It is mainly composed of CaB 2(SiO 4) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references.