Sphalerite Pyrite Calcite Specimen - San Antonio Mine, Mexico Zeolite A golden yellow to brown

A golden yellow to brown

layered structure

glowing softly beneath the surface

Expertly cut and polished

Primarily composed of hydrated calcium silicate

Sphalerite Pyrite Calcite Specimen - San Antonio Mine, Mexico Zeolite A golden yellow to brownThe 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