Precious ElementsMORE

  • Rhenium


    Symbol: Re
    Atomic Number: 75

    History: Discovered in 1925, rhenium was the last stable element to be discovered. It was named after the river Rhine in Europe.

  • Iridium


    Symbol: Ir
    Atomic Number: 77

    History: Discovered in 1803 among insoluble impurities in natural platinum by Smithson Tennant, named the iridium after goddess Iris.

  • Rhodium


    Symbol: Rh
    Atomic Number: 45

    History: Discovered in 1803 by William Hyde Wollaston in an ore of platinum/nickel, named for the rose color of one of its chlorine compounds.

  • Ruthenium


    Symbol: Ru
    Atomic Number: 44

    History: Discovered in 1844 by Russian scientist, Karl Ernst Claus, named it after Ruthenia,Latin word for Rus(ancient Russia).

  • Tellurium


    Symbol: Te
    Atomic Number: 52

    History: Discovered in Transylvania(part of Romania) in 1782 by Franz-Joseph Miller von Reichenstein in a mineral, containing tellurium and gold.

  • Osmium


    Symbol: Os
    Atomic Number: 76

    History: Osmium (from Greek-osme meaning (smell) was discovered in 1803 by Smithson Tennant and William Hyde Wollaston in London, England.

  • Gold


    Symbol: Au
    Atomic Number: 79

    History: Gold has been a valuable and highly precious metal for coinage, jewellery, and other arts since beginning of recorded history.

  • Platinum


    Symbol: Pt
    Atomic Number: 78

    History: Its name is derived from the Spanish term platina, which is literally translated into little silver.

  • Bismuth


    Symbol: Bi
    Atomic Number: 83

    History: Bismuth metal has been known from ancient times, but its name possibly comes from Arabic - bi ismid, meaning having the properties of antimony.

  • Palladium


    Symbol: Pd
    Atomic Number: 46

    History: It is a rare and lustrous silvery-white metal discovered in 1803 by William Hyde Wollaston, named after the asteroid Pallas.

  • Silver


    Symbol: Ag
    Atomic Number: 47

    History: Known since ancient times. Latin for silver, argentum, from the Indo-European root *arg- meaning white or shining.

  • Mercury


    Symbol: Hg
    Atomic Number: 80

    History: Mercury was found in Egyptian tombs that date from 1500 BC.

  • Indium


    Symbol: In
    Atomic Number: 49

    History: Discovered in 1863 by German chemists Ferdinand Reich and Hieronymous Theodor Richter, while doing spectroscopy and named it with the blue spectral line indium.

  • Germanium


    Symbol: Ge
    Atomic Number: 32

    History: Discovered in 1886 by Clemens Winkler, in a rare mineral called argyrodite and named the element after his country, Germany.