Danburite market statistics

Danburite

  • Color: colorless, light yellow, light pink
  • Hardness: 7
  • Refractive index: 1.63 - 1.64
  • Density: 2.98 - 3.03
  • Chemical composition: Ca(B2Si2O8)
  • Crystal structure: Orthorhombic
  • Origins: USA, Mexico, Brazil, Germany, Switzerland, Sri Lanka, Burma, Madagascar, Japan.

Colorless danburites are common, with light pink or yellowish stones being more rare and expensive. Only eye clean pieces are valuable.

  

The figures are based on Gemval's aggregated valuation statistics for the retail market. Irrelevant, controversial or repeat data are excluded from our analysis wherever possible. The figures are updated monthly.

Weight distribution for Danburite

Occurrence is represented in % for different weight categories.

Price distribution for Danburite

Occurrence is represented in % for different value intervals.

Clarity distribution for Danburite

Occurrence is represented in % for different clarity grades.


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