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German cut stones. From the left to the right: magnetite (3,1 ct) from Volkesfeld, Eifel mts. - sanidine (3,2 ct) from the same locality - amethyste (2,7 ct) from Seidelgrund, Wiesenbad, Erzgebirge, Saxony - topaz (1,9 ct) from Schneckenstein, Saxony - smoky quartz (23,6 ct) from Elzing quarry, Limbach, Saxony - opal from Eibenstock, Saxony which has been a well-known deposit for gemmy opals in the past. (Author: Andreas Gerstenberg)

German cut stones. From the left to the right: magnetite (3,1 ct) from Volkesfeld, Eifel mts. - sanidine (3,2 ct) from the same locality - amethyste (2,7 ct) from Seidelgrund, Wiesenbad, Erzgebirge, Saxony - topaz (1,9 ct) from Schneckenstein, Saxony - smoky quartz (23,6 ct) from Elzing quarry, Limbach, Saxony - opal from Eibenstock, Saxony which has been a well-known deposit for gemmy opals in the past. (Author: Andreas Gerstenberg)

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