Fluoro-Magnesio-Katophorite

Here is an exceptionally well-formed and large fluoro-magnesio-katophorite specimen, one of the larger specimens I've seen. The specimen also includes associations of fluoroapatite and mica, which can be found in small quantities in the nooks and crannies of the crystal faces. Katophorite minerals typically form in alkaline igneous rocks alongside other calcium and sodium-rich minerals and are classified under the Amphibole mineral supergroup. Specimens of this striking quality are rare globally and are known to occur only in the calcite vein-dyke systems located in this part of Ontario. In this case, specifically from the famous Bear Lake Diggings in Ontario which was, prior to 2016, the first publicly protected collecting site in Ontario. Some specimens from this site have even exceeded a foot in length when found inside the area's calcite vein-dykes. The site was sold in 2016, and the new owner has since closed it to collectors, making specimens from this location particularly rare and valuable.

This is a quality piece for the advanced collector, ideal for a display case or a museum.