Sphalerite Pyrite Calcite Specimen - San Antonio Mine, Mexico utah producing a polished

producing a polished

These Natural Larimar Slabs Slices offer collectors and lapidary artists a magnificent glimpse into one of the rarest copper-bearing minerals on Earth

dual-display fossil specimen that bridges the worlds of paleontology and fluorescent mineral collecting

immense heat and pressure transformed these sedimentary layers into the hard

It is the kind of subtle mineralogical distinction that really appeals to those of us who enjoy the specific chemistry of our specimens as much as their shelf appeal

Sphalerite Pyrite Calcite Specimen - San Antonio Mine, Mexico utah producing a polishedThe San Antonio mine, located within the Santa Eulalia Mining District in Chihuahua, Mexico, is well known for producing beautiful mineral specimens, particularly combinations of sphalerite, pyrite, and calcite. These minerals often occur together, creating visually striking pieces. Sphalerite, known for its varied colors and luster, is frequently found in association with the metallic golden pyrite and the crystalline forms of calcite. Some pieces