This is the magazine "National Geographic Precious Rocks Gems and Minerals" issue featuring an article on CHRYSOCOLLA. Published in 2020, the magazine is part of the "Precious Rocks Gems and Minerals" series by National Geographic. Authored by National Geographic, it delves into the topic of nature, specifically focusing on precious rocks and minerals. Please see my other listings for more from this publisher. I will combine postage on request.
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