Mosaic piece (7)

<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">mosaic piece</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for tessera that I've seen before include "Small mosaic piece" , "Mosaic component" , "password" , "only part of the picture" , "part of a mosaic" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">mosaic piece</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for tile that I've seen before include "Thin slab of ceramic or slate" , "Roof slabs" , "Ceramic slab for roofs, walls, floors etc" , "Scrabble piece" , "9 for the roof?" .)