Location: Miguel Vacas Mine, Vila Viçosa, Évora, Portugal.
Olive crust of millimetric prismatic crystals of Libethenite, lighter green anhedral Pseudomalaquite and possibly Zapatalite (turquoise) disseminated on brecciated Quartz. Sample with 5.5 x 4.7 x 4.6cm. Generated in a supergenic enrichment zone of a copper deposit, especially in brecciated quartz veins with other copper phosphates and carbonates (pseudomalachite, malachite, azurite, etc.).