Orikalkum: Forskelle mellem versioner

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== Historie ==
Navnet ''Orikalkum'' kommer fra det [[græsk (sprog)|græske]] ''oreikhalkos'', der er afledt af gr. ''ὄρος'' (''oros'') for bjerg og gr. ''χαλκός'' (''chalkos'') for [[kobber]] eller [[bronze]], opsummeret til "bjergkobber" eller "bjergmetal/[[malm]]". [[Romer]]ne oversatte navnet til ''aurichalcum'', "guldkobber." Det er kendt fra skrifter af [[Marcus Tullius Cicero|Ciero]], at metallet, romerne kaldte aurichalcum, havde en lignede guldglans, men meget lavere værdi. <ref>{{Cite book | last = Polehampton | first = Edward | authorlink = | coauthors = | title = The Gallery of Nature and Art; Or, a Tour Through Creation and Science | publisher = R. Wilks for C. Cradock & W. Joy | year = 1815 | location = | page = [https://archive.org/details/gallerynaturean04polegoog/page/n288 272] | url = https://archive.org/details/gallerynaturean04polegoog| doi = | id = | quote = Whether, if a person should offer a piece of gold to sale, thinking that he was only disposing of a piece of orichalcum, an honest man ought to inform him that it was really gold, or might fairly buy for a penny what was worth a thousand times as much}}</ref>
 
Orikalkum er antaget for enten en [[guld]]/[[kobber]]-[[legering]], en [[kobber]]-[[tin]] eller [[kobber]]-[[zink]][[messing]]legering eller et [[metal]], der ikke længere er kendt. [[Andesbjergene]]s legering (kaldt "[[Tumbaga]]" af [[Spaniens kolonisering af Amerika|de erobrende spanierne]]) passer på en guld/kobberlegering.