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  2. Platinum - Wikipedia

    en.wikipedia.org/wiki/Platinum

    It is a dense, malleable, ductile, highly unreactive, precious, silverish-white transition metal. Its name originates from Spanish platina, a diminutive of plata "little silver". [ 6 ][ 7 ] Platinum is a member of the platinum group of elements and group 10 of the periodic table of elements.

  3. Platinum group - Wikipedia

    en.wikipedia.org/wiki/Platinum_group

    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 ...

  4. List of countries by platinum production - Wikipedia

    en.wikipedia.org/wiki/List_of_countries_by...

    Rank Country/Region Platinum production (kilograms) Year World 180,000 2019 1: South Africa: 130,000 2019 2: Russia: 22,000 2019 3: Zimbabwe: 15,000 2019 4: Canada

  5. Native metal - Wikipedia

    en.wikipedia.org/wiki/Native_metal

    Most gold is mined as native metal and can be found as nuggets, veins or wires of gold in a rock matrix, or fine grains of gold, mixed in with sediments or bound within rock. The iconic image of gold mining for many is gold panning , which is a method of separating flakes and nuggets of pure gold from river sediments due to their great density .

  6. Platinum as an investment - Wikipedia

    en.wikipedia.org/wiki/Platinum_as_an_investment

    Platinum price 1970-2022 Platinum price 1880–2011 Platinum price 1968–2012. Platinum is traded as an ETF (exchange-traded fund) on the London Stock Exchange under the ticker symbol LSE: PHPT and on the New York Stock Exchange as ticker symbols PPLT and PLTM [13] There are also several ETNs (exchange-traded note) available, [14] some of which are inverse to the price of platinum.

  7. Lists of countries by mineral production - Wikipedia

    en.wikipedia.org/wiki/Lists_of_countries_by...

    Indonesia Philippines: List of countries by nickel production: Niobium [17] Brazil Canada: List of countries by niobium production: Palladium [18] Russia South Africa: List of countries by palladium production: Platinum [19] South Africa Russia: List of countries by platinum production: Silver [20] Mexico China: List of countries by silver ...

  8. Platinum–iridium alloy - Wikipedia

    en.wikipedia.org/wiki/Platinum–iridium_alloy

    Platinum–iridium alloy. The international prototype of the kilogram (IPK) is an artifact standard of platinum–iridium alloy that was defined as having a mass of exactly one kilogram. Platinum–iridium alloys are alloys of the platinum group precious metals platinum and iridium. Typical alloy proportions are 90:10 or 70:30 (Pt:Ir).

  9. Precious metal - Wikipedia

    en.wikipedia.org/wiki/Precious_metal

    Gold nuggetA selection of precious metal elements; gold, silver, platinum, palladium, copper, ruthenium, rhodium, rhenium, osmium, iridiumand mercury. They are labeled and arranged by their location on the periodic table. Precious metalsare rare, naturally occurring metallicchemical elementsof high economic value.