Agate Pebbles
by Sinclair Stammers/science Photo Library
Title
Agate Pebbles
Artist
Sinclair Stammers/science Photo Library
Medium
Photograph - Photograph
Description
Agate pebbles on sand. The banded layers are chalcedony (non-crystalline silica). Enough light penetrates the agate to support the growth of lichen colonies on the underside of the stones. (Partly visible, on right stone at upper right). Photographed in Namibia, Africa.
Uploaded
September 19th, 2018
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