| Dan Evanich field collected specimens. A mineral of secondary origin, commonly associated with other secondary copper minerals (i.e., djurleite), it is typically found as glassy botryoidal or rounded masses. Dan Evanich field collected specimens. A mineral of secondary origin, commonly associated with other secondary copper minerals (i.e., djurleite), it is typically found as glassy botryoidal or rounded masses. |
California State Gem Mine, Santa Rita Peak, San Benito County, California, USA