It forms striking, dark green orthorhombic crystals.

[2][3] Libethenite has also been found in the Miguel Vacas Mine, Conceição, Vila Viçosa, Évora District, Portugal, and in Tier des Carrières, Cahai, Vielsaim, Stavelot Massif, Luxembourg Province, Belgium.

Libethenite is found in the oxidized zone of copper ore deposits.

[3] It is most often formed from the weathering of phosphate rocks such as apatite, monazite, and xenotime.

[3] There have been no confirmed findings of primary libethenite, although a probable case has been reported.