Yes, that is the one.
Maybe look at the picture first?Due to the grainy photo, what I see is either a piece of unidentified rock, or a piece of ceramic, that you heated with an oxygen acetylene, and some flux. Another book that tells you what you may have, is Dana's textbook of mineralogy. Without a Phd., this may be a little over your head.
It's in the link on top of this page. A XRF readout and a long white squarish metal rod.The picture Iridium gt posted is a round button with slag on either rock, or clay. I see nothing resembling an Aluminum bar in it. Dunno, maybe we are scrutinizing 2 different photos?
Yes, but not what was linked to in the latest posts.Sorry, I was responding to the original picture in the post by Iridium gt.
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