Period 6 element between barium and hafnium, and radium and rutherfordium, respectively. This convention is entirely a matter of aesthetics and formatting practicality; a rarely used wide-formatted periodic table inserts the lanthanide and actinide series in their proper places, as parts of the table's sixth and seventh rows (periods). Lanthanum is a chemical element with the symbol La and atomic number 57. It is the first element in the lanthanide series. It is a soft, ductile, silvery-white metal that tarnishes rapidly when exposed to air and is soft enough to be cut with a knife. It is the eponym of the lanthanide series,
Stieff Silver silverware production was moved to Providence RI while sterling silver hollow ware and pewter would remain at the Stieff factory. Manufacturing ceased in 1999 in Baltimore, as operations were consolidated at a Lenox plant in Smithfield RI and later to New Jersey. Today the name survives as a brand of Lifetime Brands Inc., Lifetime bought Kirk-Stieff and other silver brands from Lenox in July 2007. Sale price was 8.775 million dollars (US Dollars) The silver is now made in Puerto Rico, but only as Sterling Flatware (unchased). Of the Stieff patterns, only the pattern Stieff Rose is still made, and