Photomicrograph showing a fine-grained limestone in plane-polarized light (above) and cross-polarized light (below). This specimen would be classified as an micrite using in the Folk (1964)classification scheme.
<a href="//commons.wikimedia.org/wiki/User:Rygel,_M.C." title="User:Rygel, M.C.">Rygel, M.C.</a>
CC BY-SA 3.0
<span class="int-own-work" lang="en">Own work</span>