Wolframite Group, Molybdenite
Borralha Mines, Salto, Montalegre, Vila Real, Portugal
Old-time classic specimen featuring a Quartz vein mineralized with Wolframite and Molybdenite, from the well-known Borralha Mines.
It is said that, in those times, the old miners used to offer specimens to doctors, as a way of thanking them for the treatment of their illnesses.
I believe this is one of those specimens and it was offered to me, ...
© Manuel Maia