More cleartext in the MS?

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Then it says "spna". Spma? Fpna? Latin spuma is foam.

Just thought I'd add a note here that "spuma lunae" is an alchemical term, referenced in Michael Maier's 16th C Arcana Arcanissima (You are not allowed to view links. Register or Login to view.).
It is also found in several 18th century dictionaries either as an alternate name for lapis specularis (see You are not allowed to view links. Register or Login to view. wikipedia page about that stone, unfortunately no English version available) but also, confusingly, for a white mineral which was apparently similar to plaster or talcum.
So far, however, I haven't found any notes about medieval uses of "spuma lunae" in the context of mineralogy or alchemy.