RA46L9: Group of prismatic Pyrrhotite crystals with excellent terminations, partially covered by small Dolomite crystals.
The piece is accompanied by a handwritten label and a card (nr. 9812) from the Folch Collection, where we can read that it was purchased in 1966.
Santa Eulalia District, Municipio Aquiles Serdán, Chihuahua  Mexico (1966)

Specimen size: 12.6 × 7.4 × 4.4 cm = 4.96” × 2.91” × 1.73”

Main crystal size: 1.5 × 1.4 cm = 0.59” × 0.55”