EP76W7: From a very recent find. Sharp crystals showing the faces of the tetrahedron and tristetrahedron. They have an excellent luster and are larger than has been known for the locality. They are on matrix, with Chalcopyrite and Quartz crystals. The find has been described in number 107 of ‘Le Règne Minéral’ magazine.
Lina Mine, level 06-07, Alzen, Foix, Ariège Department, Occitanie  France (2012)

Specimen size: 8.3 × 5 × 2.8 cm = 3.27” × 1.97” × 1.10”

Main crystal size: 1.1 × 0.9 cm = 0.43” × 0.35”