years. The vein lies in mica slate. I met with the same ore in Hungary, in the collection of my friend M. Gerhard, who gave me a specimen of it; but as he did not know from what part of Hungary it came, he did not value it. For this reason I omitted I taking notice of it in the journal of my travels through Hungary and the Bannat of Temeswar.
It is easily distinguished from molybdena, by its colour and its habitude before the blowpipe.
