Are those your readings or the seller sent you the picture?Ok so I got it to work ... Eventually.
I needed the lid slightly off and when I eventually used a fan it worked quite quickly.
No gold tho'
View attachment 60556
I asked the eBay seller and they said that it was 0.64% according to their XRF
View attachment 60557
Wouldn't an XRF only show the makeup of the surface, not the entire lot?
35gr of material should have yielded 0.22 gr Au according to the XRF picture.
Pete