Georgia Red Earth

Red earth is a common red clay colored by hematite. This sample is from the state of Georgia in the US. The other particle is a spider web filiament with soot adhering to the adhesive globules on this web.

Transmitted Off-Crossed Polarized Light

Red Earth is sub-micrometer clay particles containing fully oxidized iron oxide, hematite.

Red Earth is common on volcanic and ancient soils.