7.2 x 4.6 x 3.3 cm. Incredible locality piece AND a good native crystallized bismuth. This specimen features 1 cm crystals of sharp, lustrous bismuth in ore, from a long-defunct locality. This is an old specimen from the John Ydren collection by way of the Burton Jirgl Collection (noted for his Japanese suite assembled in the 1950s).
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Photo added: 13th Jun 2008