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Name and first discovery : Named in 1845 by Wilhelm Carl von Haidinger after the Latin word "arcanum duplicatum" for "double secret", a medieval alchemical term. The original material was a precipitation product on the surface of discarded railway ties that had been used in the Santa Ana tin mine in California, USA.
Synonyms : Arcanite
Varieties : Taylorite
Abbreviation : Acn
literature
Palache, C., Berman, H., & Frondel, C. (1952). Dana's system of mineralogy. Geologiska Föreningen i Stockholm Förhandlingar , 74 (2), 218-219.