14dojmts ((BUERGERITE now FLUOR-BUERGERITE)), TYPE LOCALITY, $10 MINIMUM BID, Mexquitic, San Luis Potosi, Mexico, 1 x .8 x .5 cm, Thumbnail, | |
Type material is F dominant and so renamed in 2011 to Fluor-buergerite. It is a rare member of the Tourmaline group with a bronzy brown color. ex Josie Middleton colllection. |