Galena and Sphalerite
Spinel-twined galena crystals, with great metallic luster, black lustrous sphalerite crystals on top"
Northern México
Creedite
Creedite specimen disposed in spherical shape, sharp and lustrous crystals radiating 360 degrees around its matrix.
Creedite
Creedite specimen disposed in di-spherical cluster with sharp crystals and high luster, typical orange color for this location.
Selenite gypsum over calcite
Clear gypsum variety selenite crystal on yellowish calcite matrix, from famous Naica mine
Wulfenite on Mimetite and Limonite
Cluster of dipyramidal yellow wulfenite crystals over green mimetite botryoidal aggregates, all sited on limonite matrix.
