red ochre -- set of 5 tubes of this natural iron oxide pigment

Set of 5 tubes of red ochre, a natural iron oxide pigment, or a mixed set of both red and yellow ochres. Artists, please read the note below.  Red ochre forms from the weathering of hematite. When used as a pigment it contains clay. This red ochre has been screened but is otherwise as collected. It comes from San Bernardino County, California. A similar red ochre from the Flathead Sandstone near Rawlins, Wyoming was used as a pigment in the initial painting of the cables of the Brooklyn Bridge. Currier & Ives made a number of lithographs around 1883 that show the bridge with Rawlins Red on the cables. Click on the image of the bridge to enlarge, then click again to make it even bigger. We would be happy to send a jpeg of a detail from two of these early lithographs showing this use. Click on either image to enlarge, click again for an even closer view. Red ochre becomes earthy and powdered with advanced weathering. Because it was forming in an arid region, it was not leached or was