Cuprite (Cu2O) on copper from Russia is the hot mineral at this year's Tucson Gem & Mineral Show that wrapped up this evening after 4 days. But for the past two weeks, a few dealers with rooms in a couple of the external shows have been centers of activities. Czech geologist and mineral dealer Dr. Ivo Szegeny with Karp Minerals, told me that the source in the Rubtsovsk mine in the Rudniy Altay Mountains is effectively depleted, so there will be few if any new specimens hitting the market.
I was surprised how many people I knew at the show who were talking about the cuprite on copper pieces they had picked up.
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