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Beginning in 1957, the company published the journal Platinum Metals Review with the support of the Rustenburg Platinum Mines. [7] [8] In the 1960s Johnson Matthey formed a subsidiary, Johnson Matthey Bankers (JMB), which took its seat in the London Gold Fixing. In the early 1980s the bank expanded its activities outside the bullion business ...
Police also recovered ten bullion bars bearing the refiner's mark and serial numbers of bars stolen in the Brink's-Mat robbery. [54] According to the police spokesman, the bars were gold-coated tungsten counterfeits, and therefore could not be Johnson Matthey's stolen gold bars. He said that the arrested men planned to fraudulently claim they ...
Occasionally articles on the history, geological occurrences, and exploitation of platinum group metals were also published. [ 8 ] While between 2016 and October 2022 the journals content was published as CC BY-NC-ND 4.0 , the journal is now published under CC-BY 4.0 from January 2023 onward, in accordance with the definition of open access ...
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Platinum is a chemical element; it has symbol Pt and atomic number 78. It is a dense, malleable, ductile, highly unreactive, precious, silverish-white transition metal. Its name originates from Spanish platina, a diminutive of plata "silver". [7] [8] Platinum is a member of the platinum group of elements and group 10 of the periodic table of ...
In 2023, the retail juggernaut debuted gold bars that sold out almost instantly, leading Costco to introduce 1-ounce platinum bars for a price of $1,089 made of 999.5 pure platinum.
Naturally occurring platinum and platinum-rich alloys were known by pre-Columbian Americans for many years. [5] However, even though the metal was used by pre-Columbian peoples, the first European reference to platinum appears in 1557 in the writings of the Italian humanist Julius Caesar Scaliger (1484–1558) as a description of a mysterious metal found in Central American mines between ...