MediaWiki:Smw allows list metals


 * Bronze
 * Silver
 * Gold
 * Lead
 * Aluminum
 * Iron
 * Copper
 * Steel
 * Brass
 * Zinc
 * Tin
 * Glass
 * Enamel
 * Billon
 * Bone
 * Paper
 * Pewter
 * Potin
 * Electrum
 * Palombino Marble
 * Marble
 * Terracotta
 * Clay
 * Nickel
 * Orichalcum
 * Cupro-nickel
 * Fiber
 * Ivory
 * nordic gold