(a.) Metalorganic.

Dutch foil achievement alerion aluminum aluminum foil americium animal charge annulet argent armorial bearings armory arms asphalt azure bandeau bar bar sinister barium baton bearings bend bend sinister beryllium billet bismuth blacktop blazon blazonry bordure broad arrow bullion cadency mark cadmium calcium canton carpet causeway cement cerium cesium chaplet charge chevron chief chrome chromium coat of arms cobalt cobblestone cockatrice concrete copper coronet crescent crest cross cross moline crown device difference differencing dysprosium eagle earth metals erbium ermine ermines erminites erminois escutcheon europium falcon fess fess point field file flag flanch fleur-de-lis floor fret fur fusil gadolinium gallium garland germanium gold gold dust gold foil gold leaf griffin gules gyron hatchment helmet heraldic device holmium honor point impalement impaling indium inescutcheon iridium iron label lanthanum lead lead foil lion lithium lozenge lutetium magnesia magnesium manganese mantling marshaling martlet mascle mercury metal foil metal leaf metalleity metallic metallicity metallics metallike metalline metalloid metalware metalwork molybdenum motto mullet native metals neodymium nickel niobium noble metals nombril point octofoil or ordinary organometallic orle osmium pale palladium paly pave pean pebble pheon phosphorus platinum polonium potassium praseodymium precious metals promethium protactinium purpure quarter quartering radium rare metals rhenium rose rubidium ruthenium sable saltire samarium scandium scutcheon semimetal shield silver silver foil sodium spread eagle strontium subordinary tantalum tar technetium tenne terbium thallium thulium tin tincture tinfoil titanium torse tressure tungsten unicorn uranium vair vanadium vert wolfram wreath yale ytterbium yttrium zinc zirconium