“Reference: TD27AE9 Aggregate of complex Pyrite crystals formed by a dominant cube and two pyritohedra plus some other minor forms, and with small coatings of very sharp Tetrahedrite crystals and clear Quartz crystals. Such a rich morphology is unusual for Pyrite from this locality. Huanzala Mine, Huallanca District, Dos de Mayo Province, Huánuco Department  Peru (02/2016) Specimen size: 7.8 × 6.7 × 5.3 cm = 3.07” × 2.64” × 2.09” Main crystal size: 3.9 × 3.1 cm = 1.54” × 1.22” ”