Andesine belongs to the group - plagioclase feldspar. The red color is due to the presence of copper and is rare in gem quality stones. The best specimens are from Congo, with cherry-red and orangey-red crystals the most 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.
Occurrence is represented in % for different weight categories.
Occurrence is represented in % for different value intervals.
Occurrence is represented in % for different clarity grades.
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