I've just gotten an update from my collaborators. They're still polishing up their purification methods, and waiting for the mass spectrometer machine-time that will open up when other researchers take time off over Christmas.
So with luck we'll have a preliminary answer in a few weeks. Then we'll have to get busy generating the final data and writing our paper!
The (possible) Geological Origin of the Minotaur Myth
16 hours ago in History of Geology