Plenty of deep-blue crystals of azurite on malachite spherulites on quartz matrix — 2020-03-02

Azurite sur malachite

Azurite sur malachite
Plenty of deep-blue crystals of azurite on malachite spherulites on quartz matrix
from Clara Mine, Wolfach, Black Forest, Baden-Württemberg, Germany

Lu sur Geology Tweets @GeologyTime : Plenty of deep-blue crystals of azurite on malachite spherulites on quartz matrix