article on colorful gold alloys (was Black Gold)

    I ran a quick search on black gold ( but failed
to come up with anything. I know I've seen a technical article on
black gold somewhere (I was an avid collector of colored gold
alloys), but can't locate it. Perhaps I was dreaming? Will keep

The technical article seems to be gone. I posted it a long time ago
to the list:

(10 minutes later)

So with a bit of monkeying around with their new reorganization,
here it is:

  • darcy