“Complex sphalerite crystals, dark in color, shiny, on small very bright Quartz crystals, on limestone matrix. From a not so well-known locality. María Luisa Mine, La Mesa y Cortijo del Perete, La Nava, Comarca Sierra de Huelva, Huelva, Andalusia, Spain Found in 09/2014 Specimen size: 11.2 × 8.0 × 3.5 cm = 4.41” × 3.15” × 1.38” Main crystal size: 0.4 × 0.3 cm = 0.16” × 0.12” 3N13 (from Express Minerals) ”

“Complex sphalerite crystals, dark in color, shiny, on small very bright Quartz crystals, on limestone matrix. From a not so well-known locality. María Luisa Mine, La Mesa y Cortijo del Perete, La Nava, Comarca Sierra de Huelva, Huelva, Andalusia, Spain Found in 09/2014 Specimen size: 11.2 × 8.0 × 3.5 cm = 4.41” × 3.15” × 1.38” Main crystal size: 0.4 × 0.3 cm = 0.16” × 0.12” 3N13 (from Express Minerals) ”