The name iridium is derived from the greek word Iris, the Greek goddess of the rainbow, because iridium-compounds are very colourful. It is supposed to be the most corrosion-resistant element. It is used in many appliances, where persistence is important, for example in pen tips.

Platinum is in constant competition with gold for the most noble and most precious metal. But it hasn't always been that way: When it was first discovered in South America, it was thought to be low-grade silver. Therefore the name, which means "tiny silver" in Spanish.

If Auro (gold) is the king, what could Platinius be – the pope? However, there is a permanent rivalry between the two of them about who might be the mightiest of them all.

Silver has always played the second fiddle after gold. On the other hand we encounter it much more often in our every-day-life: In mirrors, in cutlery, in jewelry, as coating in band aids... It is even useful for making water drinkable.

Argenta is the queen at Auros side. But she is much more practical than her husband. She even has a poetic side: the moon is her sister in spirit.