Azurite-Malachite Intergrowths. Transmitted light micrograph, showing tabular crystals of azurite partially altered to green malachite around void areas. Cover image from USGS Scientific Investigations Report 2011-5211.
USGS Scientific Investigations Report 2011-5211
Driscoll, Rhonda, Hageman, P.L., Benzel, W.M., Diehl, S.F., Adams, D.T., Morman, Suzette, and Choate, L.M., 2012, Assessment of the geoavailability of trace elements from minerals in mine wastes: analytical techniques and assessment of selected copper minerals: U.S. Geological Survey Scientific Investigations Report 2011–5211, 68 p., https://doi.org/10.3133/sir20115211.