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Platinum is a chemical element with symbol Pt and atomic number 78. It is a dense, malleable, ..... His historical account of the expedition included a description of platinum as being neither separable nor calcinable. Ulloa also anticipated the ...


Although the modern history of platinum only begins in the 18th century, platinum has been found in objects dating from 700 BC, in particular the famous Casket ...


This WebElements periodic table page contains historical information for the element platinum.


Sep 5, 2013 ... Although it's almost as rare as gold, platinum is mined far less than its other precious metal cousins. Heavier, more ductile and dense than both ...


Element Platinum (Pt), Group 10, Atomic Number 78, d-block, Mass 195.084. Sources, facts ... Platinum Element - Visual Elements Periodic Table .... History ...


The Element Platinum - Basic Physical and Historical Information.


History of Platinum. Widespread knowledge of the white metal platinum stretches back only a few hundred years, versus thousands for gold. Meteorites contain ...


Jan 23, 2002 ... With a history much shorter than that of gold, its use and discovery in the 1700's is described. Development of the platinum market through the ...


Platinum's properties, discovery, videos, images, states, energies, appearance and characteristics. ... Learn more about platinum's history and properties.


Sep 4, 2013 ... While gold and platinum are almost equally as rare, the amount of platinum mined through history is only a fraction. Related.