Powellite

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This is a very rare specimen of a new varietal of cuprian powellite that was identified during analysis of the szenicsite associations from this remote mine, only found in the 1990s by Terry Szenics. To my knowledge, no more of this material has been found since then. Most of the gemmy and lustrous crystals are a beautiful apple-green, with fewer, darker green. Bright yellow fluorescence, as you would expect from powellite. Ex. Terry Szenics Collection.