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BOURNONITE

Click on the image to see a larger version copyright statement	Description: Silvery metallic bournonite crystal, 4[CuPbSbS3], with striated edges, wrapped around a doubly-terminated crystal of quartz.
	Locality: Yao Gan Xia Mine, Hunan Prov., China
	Photo donor: Image is by courtesy of Stuart Wilensky www.wilenskyminerals.com