Danburite from Chacas, Mexico.
Stone dimensions: 50mm x 35mm x H : 53mm.
Weight with base: 181g.
Danburite was discovered in 1839 in Danbury, Connecticut (USA), from which it takes its name. It is a relatively unknown mineral compared with other, more popular stones.
Its hue can vary from pale yellow to light pink, depending on provenance, but it is generally colorless.
Danburite |
Chemical composition: danburite's chemical formula is CaB₂(SiO₄)₂. It is composed mainly of calcium, boron, silicon and oxygen. Hardness: On the Mohs scale, danburite has a hardness of 7 to 7.5. Density: The density of danburite is approximately 2.97 to 3.03 g/cm³. |