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. ..... For example, i...
Platinum is a precious metal renowned for its strength and malleability. The
mineral is mostly mined in South America and Russia however some smaller
Sep 3, 2015 ... Nearly all of the platinum found around the world is microscopic bits that ... in the
United States where platinum can be found in nugget form.
Jan 11, 2013 ... Mine and mineral plant locations have been incorporated into the National Atlas
of the United States. ... You can also locate and map more than 2,000,000
geographic names in the United States. ... Platinum Group Metals ... Additional
data for Alaska may be found at Alaska Resource Data Files (contact: ...
Diamonds have been found at many locations in the United States - the Crater of
... At this mine, native gold, native platinum, and hundreds of gem-quality ...
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, ...
(1) The annual supply of platinum is only about 130 tons - which is ... and crude
oil which are found throughout the world, important platinum deposits .... soon be
recognized as legal tender in all 50 US states…and many countries worldwide.
In 1819, platinum was discovered in serpentine and other ultra basic rocks on the
... In the United States, placer platinum occurs in small quantities together with ...
Used by the pre-Columbian Indians of South America, platinum wasn't noticed by
... those found in the Ural mountains, Columbia and the western United States.
These other mines are Mountain Pass in the United States, Mount Weld in ...
REEs can be found in clay deposits, where the elements are adsorbed onto the
clay ... Platinum group elements are mined from mafic and ultramafic igneous