- Tetrahedrite, Pyrite
- Miniature, 3.4 x 3.2 x 3.0 cm
- Daly-Judge Mine, Park City District (Uinta District), Wasatch Mts, Summit Co., Utah, USA
A large, sharp and lustrous, battleship-gray tetrahedrite crystal nicely accented with a lustrous, brass-yellow pyritohedron on one face from the long-extinct Daly-Judge Mine of Utah. Two of the three faces are well-crystallized, with the third, out of sight face being contacted. A large, seldom available tetrahedrite crystal from this old-time, well-known locale. Ex. Ydren Collection.