This means that they share the same symmetry and crystal shapes. Libethenite's emerald green color and bright luster give it a well earned place in anyones collection. Color is dark emerald to olive green. Luster is resinous to vitreous. Specimens are translucent.
Cleavage is good in two directions.
Fracture is subconchoidal to uneven. Streak is olive green. Associated Minerals are malachite , olivenite , quartz , limonite , adamite , brochantite and other secondary copper ore minerals. Best Field Indicators are color, streak, crystal habits, associations and density.