In Asia, "natural," which includes browns, tans, golds, oranges and yellows, was the pigment of choice after white and black. Further back in the pack, mineral and alloy shades like gold ...

The Sweet Home mine in Buckskin Gulch, source of world-famous rodochrosite, is also well known for fine specimens of two copper-bearing minerals bornite and tetrahedrite. The Creede mining district is ...

E. Raines [eraines@mines.edu], Rocks & Minerals, Vol. 87, No. 4, 2012, pp. 304–336, http://dx.doi.org/10.1080/00357529.2012.690336. Between 1868 and 1922, Colorado ...