OK, my little experts...with a couple of wisemheimers (LOL!) mixed in. Made a base bead with my Moretti black...introduced it to this "frit / bread crumbs," and did not get the result I had hoped for. The "frit" turned black, and did not adhere to the glass...I should also mention a funny smell.
As I think about it, my first impression was that the bag of what I too thought was frit seemed a little light in weight than I would have expected. Some sort of plastic??? Well, I obviously can't use or sell it until I figure it out. Guess it will sit for a while, or end up in the dumpster! Sheesh!