Essay by Brittany33Junior High, 8th grade April 2004

download word file, 1 pages 3.2

Downloaded 25 times

Platinum is a very pretty white silvery metal. Its has many isotopes that range from 190Pt to 198Pt. Platinum's atomic mass average is 195.08 amus. Platinum's place on the periodic table is period number 6, group number 10. Platinum has a fairly large Atomic number it is 78.

Platinum's elemental forms are nuggets and grains. Unfortunately platinum has never been found pure, it is unknown in nature. Platinum is usually alloyed with other metals like iron, copper, gold etc. Platinum is mostly found behind rocks or bends in rivers. It's found there because it withers away and goes down the stream then it gets stuck behind rocks or bends. Elemental form means basically how it is found naturally. Platinum is not abundant in fact it is very rare. Platinum is more expensive in weight than gold. Platinum is gaining importance.

Platinum's first discovery was from South American Indians. It was also found in 1557 by a French/Italian man named Julius Scaliger he brought it to Europe this eventually came to the USA. Platinum got its name from the Spanish word plantina, Which in Spanish mean little silver.

Platinum is found in chromite, olivine, estatite, pyroxene, magnetite and sometimes its found in gold. Chromite is a mineral platinum is found in, it was one of the first minerals to crystallize. It is used as a dye and for mineral specimens. You can find chromite in a metamorphic rock called serpentites. Chromite cost about $48.00 - $50.00 dollars it is fairly inexpensive. Chromite also includes some magnesium in it. Chromite is not harmful to humans. Chromite is also not harmful to the environment.

I have come in contact with platinum. It is found in spark plugs for cars because my dad is a mechanic. Also I have come in contact with...