aricalco 18
aricaldo = oricaldoOrichalcum, Oricalco or Orihalcon is a legendary metal mentioned in ancient writings, the most significant being the writings of Plato on Atlantis. According to these writings this metal would be the second most valuable metal and undermined by many part of Atlantis. The word Orichalcum means " Copper Mountain " and it is derived from the Greek.