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  2. Nickel (United States coin) - Wikipedia

    en.wikipedia.org/wiki/Nickel_(United_States_coin)

    A nickel's melt value fell below its face value from late 2008 through mid-2010, and more recently again from late mid-2012. [114] In February 2014, it was reported that the Mint was conducting experiments to use copper-plated zinc (the same composition used for the United States 1 cent coin) for the nickel.

  3. Nickel - Wikipedia

    en.wikipedia.org/wiki/Nickel

    Nickel is preeminently an alloy metal, and its chief use is in nickel steels and nickel cast irons, in which it typically increases the tensile strength, toughness, and elastic limit. It is widely used in many other alloys, including nickel brasses and bronzes and alloys with copper, chromium, aluminium, lead, cobalt, silver, and gold ( Inconel ...

  4. Melting points of the elements (data page) - Wikipedia

    en.wikipedia.org/wiki/Melting_points_of_the...

    Reference Kelvin Celsius Fahrenheit Comments 1 H hydrogen (H 2) ; use: 13.99 K: −259.16 °C: −434.49 °F WEL: 14.01 K: −259.14 °C: −434.45 °F CRC: −259.16 °C: LNG

  5. United States nickel mintage figures - Wikipedia

    en.wikipedia.org/wiki/United_States_nickel...

    Jefferson nickels have been minted since 1938 at the Philadelphia and Denver mints and from the San Francisco mint until 1970. Key dates for the series include the 1939-D, and 1950-D nickels. The 1939-D nickel with a mintage of 3,514,000 coins is the second lowest behind the 1950-D nickel.

  6. Compatibility (geochemistry) - Wikipedia

    en.wikipedia.org/wiki/Compatibility_(geochemistry)

    These values depend on temperature, pressure, and composition of the mineral melt. D {\displaystyle D} values differ considerably between major elements and trace elements. By definition, incompatible trace elements have an equilibrium constant value of less than one because trace elements have higher concentrations in the melt than solids. [ 1 ]

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  8. LME Nickel - Wikipedia

    en.wikipedia.org/wiki/LME_Nickel

    LME Nickel futures contract prices serves as a platform for Nickel price discovery because futures markets are more publicly visible and more accessible, due to lower transaction costs, for a larger number of buyers and sellers than the cash market. A larger number of buyers and sellers in the futures market allows those market participants to ...

  9. Chrysoprase - Wikipedia

    en.wikipedia.org/wiki/Chrysoprase

    The word chrysoprase comes from the Greek χρυσός chrysos meaning 'gold' and πράσινον prasinon, meaning 'green'. Unlike emerald which owes its green color to the presence of chromium, the color of chrysoprase is due to trace amounts of nickel compounds in the form of very small inclusions.