Chemical Formula CaB2Si2O8
Color Colorless, Yellow, Pink
Crystal System Orthorhombic
Refractive Index 1.63
SG 2.9 – 3.0
Double Refraction -.007
Mineral Class Danburite
Danburite is a collectors and connoisseur’s gemstone, and is not used in mainstream jewelry items.
Danburite TREATMENTS AND ENHANCEMENTS
Danburite gemstones are natural and not heated or enhanced.
The primary source of gem-grade Danburite is Mexico, specifically at Charcas, San Luis Potosi. Other sources include Russia, Japan, Burma, Madagascar, and Bolivia.
White Topaz, Phenakite, and White Sapphire are harder, though Quartz Rock Crystal may appear similar.