8MB76W7: Radial and fanlike groups of flattened crystals. They are translucent and very bright, with a slightly yellowish color zoning. They are on a limonite matrix. The sample is characteristic of finds in the seventies of the last century. Copper, gold, silver, lead and zinc have been exploited in this mine.
Ojuela Mine, Mapimí, Municipio Mapimí, Durango  Mexico (1970-1980)

Specimen size: 12.8 × 10.5 × 7.2 cm = 5.04”

Main crystal size: 0.8 × 0.3 cm = 0.31”