Sphalerite Pyrite Calcite Specimen - San Antonio Mine, Mexico Bermejillo while the polished finish brings

while the polished finish brings out a brilliance that is often hidden in its raw

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

Unlock the beauty of nature with this unique Chalcedony with Apophyllite Specimen from China

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

Locality:  Sonora River Mine (Claim #1)

Sphalerite Pyrite Calcite Specimen - San Antonio Mine, Mexico Bermejillo while the polished finish bringsThe 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