Learn about Ferberite
iron-rich wolframite with stout blade-like prisms and deep black luster; forms in hydrothermal tin-tungsten deposits; prized on quartz or fluorite.Ferberite from Panasqueira Mines, Portugal
, Panasqueira, Portugal: European classic ferberite with jet-black, sharp, three-dimensional blades in a quartz-rich host; prized for luster and form.Panasqueira Mines
Panasqueira Mines, Portugal — premier locality yielding tungsten, ferberite, arsenopyrite, fluorapatite, and colorful quartz associations prized by collectors.
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