Corkita on Goethite with Plumbogummite

Serra da Mina Mine, Cercal, Santiago do Cacém, Setúbal District, Área Metropolitana de Lisboa Region  Portugal ((2016-2017))

Specimen size: 9.2 × 7.6 × 3.3 cm = 3.62” × 2.99” × 1.30”
Main crystal size: 0.1 X 0.1 cm = 0.04”