Sunstone market statistics

Sunstone

Color: red, orange, yellow, brown, bi-color brown to greenish
Hardness: 6.5
Refractive index: 1.53 - 1.55
Density: 2.54 - 2.63
Chemical composition: complex aluminosilicate
Crystal structure: triclinic
Origins: Canada, USA, Tanzania.

Considered to be a collector's stone, this is a variety of feldspar (plagioclase), with intense red and orange crystals being the most valued. Diffuse inclusions produce the distinctive shimmering effect known as schiller, which does not reduce the value of the stone.


Sunstone 14.34 cts. Published under permission: Miguel Angel Lopez	Sunstone 18.02 cts.. Published under permission: Miguel Angel Lopez

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 Sunstone

Occurrence is represented in % for different weight categories.

Price distribution for Sunstone

Occurrence is represented in % for different value intervals.

Clarity distribution for Sunstone

Occurrence is represented in % for different clarity grades.

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Sunstone market prices