Which cost more Rhodium or Gold? What is rhodium?

Question

i bought me a double name plate chain my letter are in rhodium and the back double plate is all gold. i am curious to know what cause more.

Answer 1

Since rhodium is a member of the platinum group, it is much more expensive as compared to gold. It is generally used to plate white gold jewelry as it is quite durable and has a distinctive shine to it.

Source:
http://www.essortment.com/lifestyle/rhodiumplating_skvm.htm
http://www.b2cjewels.com/education/platinumguide.aspx