Location: Miguel Vacas Mine, Vila Viçosa, Évora, Portugal.
Sample with 3.5 x 1.2 x 2.5cm  filling a schist fracture of dark green Libethenite in short prismatic bipyramidal crystals up to 2mm in size. Associated with earthy ocher Limonite Generated in a supergenic enrichment zone of a copper deposit, especially in brecciated quartz veins and veinlets with other copper phosphates and carbonates (pseudomalachite, malachite, azurite, etc.).