Gemstone Online - Danburite, Cut Danburite

Danburite is a crystalline mineral similar to topaz and CaB2Si2O8 is the chemical formula, Orthorhombic in crystal character, Refractive Index is 1.622-1.670; Birefrigence is 0.044-0.047. Danburite can be used in jewelry due to its hardness and durability. Bright yellow one are desirable and often cut into gems. Colorless ones are more common. You can find danburites in Myanmar, Mexico, Japan, Madagascar, USA and Russia Mogok in Burma (Myanmar) produces exceptionally fine straw yellow to bright yellow mineral specimens and cut gemstones of danburite which is usually a colorless stone. Read full story >>>