JQQ12AP8: Pyrite crystals formed by cube and pyritohedron faces, with both forms very balanced, lustrous, and on matrix, with Quartz.
A quality specimen for this little known locality, it comes to us via the collection of Andrés Jimenez Shelly.
Larrako Quarry, Barrio de Larrasko, Arrigorriaga, Comarca Gran Bilbao, Vizcaya / Bizkaia, Basque Country (Euskadi)  Spain

Specimen size: 3.2 × 2 × 1.5 cm = 1.26” × 0.79” × 0.59”

Main crystal size: 0.9 × 0.6 cm = 0.35” × 0.24”