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===Ornamental uses=== Rhodium finds use in [[jewelry]] and for decorations. It is [[electroplated]] on [[white gold]] and platinum to give it a reflective white surface at time of sale, after which the thin layer wears away with use. This is known as rhodium flashing in the jewelry business. It may also be used in coating [[sterling silver]] to protect against tarnish ([[silver sulfide]], Ag<sub>2</sub>S, produced from atmospheric [[hydrogen sulfide]], H<sub>2</sub>S). Solid (pure) rhodium jewelry is very rare, more because of the difficulty of fabrication (high melting point and poor malleability) than because of the high price.<ref>{{cite journal|doi = 10.1111/j.1600-0536.1984.tb00056.x|title = Contact sensitivity to nickel in white gold|year = 1984|last1 = Fischer|first1 = Torkel|journal = Contact Dermatitis|volume = 10|pages = 23β24|pmid = 6705515|last2 = Fregert|first2 = S.|last3 = Gruvberger|first3 = B.|last4 = Rystedt|first4 = I.|issue = 1|s2cid = 46626556}}</ref> The high cost ensures that rhodium is applied only as an [[electroplating|electroplate]].<!--, Text seems to add nothing, left for second opinion: "...where tiny amounts of powder, commonly called rhodium sponge, [clarification needed] are in solution." --> Rhodium has also been used for honors or to signify elite status, when more commonly used metals such as silver, gold or platinum were deemed insufficient. In 1979 the ''[[Guinness Book of World Records]]'' gave [[Paul McCartney]] a rhodium-plated disc for being history's all-time best-selling songwriter and recording artist.<ref>{{cite news| url = https://www.independent.co.uk/news/people/hit-and-run/hit--run-ring-the-changes-1044166.html| work= [[The Independent]] |access-date=2009-06-06| title= Hit & Run: Ring the changes |location=London|date=2008-12-02}}</ref>
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