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en.wikipedia.org/wiki/Platinum

Platinum is a chemical element with symbol Pt and atomic number 78. It is a dense, malleable, ... Consequently, platinum is often found chemically uncombined as native platinum. Because it occurs naturally in the alluvial sands of various ...

mineralseducationcoalition.org/elements/platinum

Named from the Spanish word for silver, platinum is a lustrous, silvery-white metal ... Platinum is found in its pure native form, or in platiniridium, a natural alloy of ...

mineralseducationcoalition.org/minerals-database/platinum

Of these elements, only platinum and palladium are found in a pure form in nature. The others occur in nature as natural alloys with platinum and gold, ...

education.jlab.org/itselemental/ele078.html

Platinum can occur free in nature and is sometimes found in deposits of gold- bearing sands, primarily those found in the Ural mountains, Columbia and the ...

www.ducksters.com/science/chemistry/platinum.php

Platinum is a rare metal and difficult to find. This is what makes it such a valuable metal. Platinum can be found in its pure form, but is most often found together ...

www.minerals.net/mineral/platinum.aspx

Platinum is the rarest and most expensive of the popular precious metals. ... In Australia, Platinum nuggets have been found in the Fifield District of Cunningham  ...

www.reference.com/beauty-fashion/platinum-found-nature-344f06579970d716

Platinum is found in layers of sulphides, which are located in some igneous rocks . South Africa and Russia have the largest reserve of this rare...

www.livescience.com/39144-platinum.html

Aug 1, 2016 ... The first recorded reference to platinum was in 1557 when Julius Scaliger, an Italian physician, described a metal found in Central America that ...

www.dailymail.co.uk/sciencetech/article-2034667/Earths-gold-platinum-arrived-meteor-shower-lasting-200MILLION-years.html

Sep 7, 2011 ... Researchers also discovered there is enough gold and platinum in the Earth's core to plate the surface of the globe with a layer of priceless ...