Clinoclase, Chalcophyllite
Majuba Hill Mine (Mylar Mine), Antelope District, Pershing Co., Nevada, USA
Small Cabinet, 5.9 x 4.9 x 2.1 cm
On a weathered limonite matrix are a few drusy clusters of sparkling, deep teal blue clinoclase, to .2 cm across, a copper arsenate. Associated with the clinoclase are tabular, green crystals of chacophyllite, to .4 cm across, a copper aluminum arsenate. From the collection of James E. Moresby White. Ex. Carnegie Museum Collection.