A free standing 2.0 mm Freieslebenite xl on sphalerite with Quartz. The crucial diagnostic feature of Freieslebenite is the (0kl) terminal faces making the wedge like xls. Without terminations a visual discrimination between Diaphorite and Freieslebenite is impossible. The Diaphorites always have (hkl) terminations.Ty Balacko Collection and photo.
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