I have a number of jars acquired from various sources, some unlabelled.
i am trying to establish what they contain.
I did a test tile, ignore lumpy glaze a rush jobbie, the glaze is a C03 Majolica.
I had two known and 3 unknown. Nos. 1 nd 3 are cobalt carb and ritle, dark, flour respectively, No. 2 looks like rutile?? but can you help with the guess.... or any further tests I can do.
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