Yes. Gold is an extremely precious metal. It is one of the most expensive metals there is.
Gold
diamonds
platinum
Currently Platinum
its beauty and density
No, zinc is not a precious metal. It is a necessary industrial metal.
Rhodium is pretty rare and very expensive. More rare than platinum.
iradium is the precious metal element apart from platinum
is brass a precious metal
a lump of precious metal is called at nugget if talking about gold
Niobium is a rare metal, good additive for stainless, but not precious - it is grey