Two very large quartz clusters. Currently exhibited at the Smithsonian Museum of Natural History. Co
Two very large quartz clusters. Currently exhibited at the Smithsonian Museum of Natural History. Collected from the Coleman Mine in Arkansas in 2016. More info at: https://www.smithsonianmag.com/blogs/national-museum-of-natural-history/2021/10/27/the-story-behind-the-new-8000-pound-quartz-at-the-smithsonian/ -- source link
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