Most of us think gold, platinum or diamonds are precious and expensive. However, there are many materials on the earth and in the space that are unbelievably pricey. Precious metals and materials are expensive because they are not available in abundance. Here are fifteen most rare and expensive materials in the world that make metals like Gold look cheap!
1.Gold - $36 / gram
We all know about gold! Gold is a precious metal which is mostly used in jewelry making. Besides jewelry, gold is also used as a form of financial investment. Electronic industry uses gold to make some high end connectors. A gram of gold costs about $36 in US as of today. Gold price always fluctuate. The price was in excess of $50 a few months back.
2.Rhodium - $58 / gram
Rhodium is yet another rare and expensive chemical element. Rhodium's symbol is Rh, and its atomic number is 45 in periodic table. Rhodium is a member of platinum's family. Rhodium is mainly used as a catalyst in automobile, which converts harmful unburned hydrocarbons in automobiles to less dangerous gases. The price of Rhodium is $58 / gram.
3.Platinum - $60 / gram
Most of us know platinum as precious metal used in jewelry. Besides being used in jewelry, platinum has number of other uses including it being a component in numerous electrical and electronic devices. Platinum is a very rare metal found in earth's crust. Platinum's high price is because of its rarity.