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  2. Platinum group - Wikipedia

    en.wikipedia.org/wiki/Platinum_group

    The platinum-group metals (PGMs), also known as the platinoids, platinides, platidises, platinum group, platinum metals, platinum family or platinum-group elements (PGEs), are six noble, precious metallic elements clustered together in the periodic table. These elements are all transition metals in the d-block (groups 8, 9, and 10, periods 5 ...

  3. Platinum - Wikipedia

    en.wikipedia.org/wiki/Platinum

    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 ...

  4. Category:Platinum-group metals - Wikipedia

    en.wikipedia.org/wiki/Category:Platinum-group_metals

    Iridium-group platinum-group elements (IPGEs: Os, Ir, Ru). ... Pages in category "Platinum-group metals" The following 7 pages are in this category, out of 7 total.

  5. Osmium - Wikipedia

    en.wikipedia.org/wiki/Osmium

    Native platinum containing traces of the other platinum group metals. Osmium is one of the least abundant stable elements in Earth's crust, with an average mass fraction of 50 parts per trillion in the continental crust. [55]

  6. Precious metal - Wikipedia

    en.wikipedia.org/wiki/Precious_metal

    Other precious metals include the platinum group metals: ruthenium, rhodium, palladium, osmium, iridium, and platinum, of which platinum is the most widely traded. [1] The demand for precious metals is driven not only by their practical use but also by their role as investments and a store of value. Historically, precious metals have commanded ...

  7. Stillwater igneous complex - Wikipedia

    en.wikipedia.org/wiki/Stillwater_igneous_complex

    In respect of it being 'one of the world's oldest layered intrusions, containing the world's highest-grade platinum-group element deposit', the International Union of Geological Sciences (IUGS) included 'The Stillwater Complex' in its assemblage of 100 'geological heritage sites' around the world in a listing published in October 2022.

  8. Group 10 element - Wikipedia

    en.wikipedia.org/wiki/Group_10_element

    Group 10, numbered by current IUPAC style, is the group of chemical elements in the periodic table that consists of nickel (Ni), palladium (Pd), platinum (Pt), and darmstadtium (Ds). All are d-block transition metals .

  9. Merensky Reef - Wikipedia

    en.wikipedia.org/wiki/Merensky_Reef

    Mines of the Merensky Reef. The Merensky Reef is a layer of igneous rock in the Bushveld Igneous Complex (BIC) in the North West, Limpopo, Gauteng and Mpumalanga provinces of South Africa which together with an underlying layer, the Upper Group 2 Reef (UG2), contains most of the world's known reserves of platinum group metals (PGMs) or platinum group elements (PGEs)—platinum, palladium ...