Abalone shell on free-form sterling silver.   This piece was create by heating the metal to a hot molten liquid, then quickly poured and squished between two charcoal blocks.  The result resembles waves washing up on the shoreline, carrying an abalone shell with it.
 
Dimentions:
Shell   1-1/4" x 3/8" ;  1/8" thick
Metal   1-3/4" (at widest point) x 2" (at longest tip to tip)
Chain  17" long