Sphalerite Pyrite Calcite Specimen - San Antonio Mine, Mexico Bermejillo Polished "Blue River" Purple/Clear fluorite

Polished "Blue River" Purple/Clear fluorite slab from the Erongo Mts

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Black Hematite: An iron oxide mineral ($Fe_2O_3$) that contributes metallic

Purpurite is a rare phosphate mineral primarily found in Africa

Sphalerite Pyrite Calcite Specimen - San Antonio Mine, Mexico Bermejillo Polished "Blue River" Purple/Clear fluoriteThe 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