Copper

Boinás Este, Boinás, Belmonte de Miranda, Comarca Oviedo, Principality of Asturias (Asturias)  Spain

Specimen size: 6.1 × 5.2 × 2.7 cm = 2.40” × 2.05” × 1.06”
Main crystal size: 0.1 × 0.1 cm = 0.04” × 0.04”