Gold Bullion Securities, the first GETF introduced (in 2003, on the Australian Stock Exchange), stood for 1/10 of an ounce of gold. GETFs are a good means of gaining exposure to the price of gold, minus the inconvenience of storage. Trading in GETFs involves payment of commission and storage fee (charged on an annual basis). Compared to gold, platinum is more precious, although its price is considered more volatile. One of the reasons for this is that its demand is driven by industrial uses or applications. For example, its price tends to be double that of gold's when world economy is stable, but significantly goes down in times of economic uncertainty. The year of discovery of each of these elements, as presented here, refers to the year when the element was first identified as the pure element. Also provided are their respective name etymologies. 1. Platinum - Antonio de Ulloa, a Spanish explorer and astronomer, is generally credited with the modern rediscovery (in 1735) of platinum. Gold: Gold, in its elemental form, does not cause irritation and is not toxic even when ingested. In fact, it is used as a component in some alcoholic drinks and as a food additive. However, ionic chemical compounds of gold (example, gold chloride) can be extremely harmful to the kidneys and liver. Platinum: Findings by the U. Commercially, ruthenium is obtained as a by-product from copper and nickel processing (as how all the other platinum group metals are obtained), although it is likewise obtainable through direct processing of platinoid ores. It is isolated by means of a complex chemical process. The process involves reduction of ammonium ruthenium chloride with the use of hydrogen. Gold: Most Sought-After Precious Metal Of all the different precious metals we can think of, gold is certainly the one most greatly desired. Since the beginning of recorded history, gold has been in use in many different works of art, coinage, and, of course, jewelry. Occurring as grains in rocks and in alluvial deposits, gold is shiny, soft, and dense.