Libethenite, Miguel Vacas mine, Portugal, 35 grams
Fine olive-green crystallization of libethenite, a secondary copper mineral.This specimen comes from the Miguel Vacas mine, Vila Viçosa, Évora, Portugal.It measures 5.2 x 2.6 x 2.4 cm.The weight of this mineral is 35 grams.(Measurements without base) Unfortunately, there is some old adhesive on...























