$300Median
2011Sold (12 mo)
$950Last sale
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Ferruginous is a term used to describe something as having iron in and/or on it. In mineralogy, this can help us describe specimens like these Calcites from Leiping, which are given a vibrant red tone because of it. These world famous examples are some of the most well beloved red minerals in the industry for a very diverse variety of collectors.


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