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A good sample with greenish brown sphalerite crystals and some quartz. Old find (7 cm) from Lautenthal, Harz. There you can find nice crystals even today. But the shown quality I never saw during my visits on the dumps, so I had to buy this nice oldtimer... (Author: Andreas Gerstenberg)

A good sample with greenish brown sphalerite crystals and some quartz. Old find (7 cm) from Lautenthal, Harz. There you can find nice crystals even today. But the shown quality I never saw during my visits on the dumps, so I had to buy this nice oldtimer... (Author: Andreas Gerstenberg)

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