RH37F8: From the Spanish locality that is a classic for its excellent silver sulfosalts. A small, long crystal with perfect definition of the faces and accompanied by Miargyrite, both on the matrix typical for the locality. Folch found this at the Teresa Mine in 1950.
Hiendelaencina, Comarca Serranía de Guadalajara, Guadalajara, Castilla-La Mancha  Spain (05/1950)

Specimen size: 2.9 × 1.4 × 1.3 cm = 1.14” × 0.55” × 0.51”

Main crystal size: 0.2 × 0.1 cm = 0.08” × 0.04”