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ON COIN METALS FROM SPACE AND PURPLE GOLD, THE GOLD-ALUMINUM COMPOUNDJoe Boling writes: "Regarding minting coins of new alloys - forget it. Any such experiments in space will involve milligrams of metal. You will never see quantities brought back sufficient to go into production - most likely never enough for even a single piece."Bill Malkmus writes: Regarding Dick Johnson's article on going into outer space to try to alloy gold and aluminum - unless my rudimentary knowledge of metallurgy fails me, these two metals are already commercially alloyed (and have been for over a century). I believe that a purple color can be obtained from that alloy. To learn more, see: Purple Gold Wayne Homren, Editor The Numismatic Bibliomania Society is a non-profit organization promoting numismatic literature. See our web site at coinbooks.org. To submit items for publication in The E-Sylum, write to the Editor at this address: whomren@gmail.com To subscribe go to: https://my.binhost.com/lists/listinfo/esylum All Rights Reserved. NBS Home Page Contact the NBS webmaster 
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