|MezÃ¶-Madaras, Romania, ordinary chondrite. This close-up of a cut and polished face of MezÃ¶-Madaras measures ~ 7 cm from left to right. Chondrites are named for the nearly spherical, silicate-rich objects they contain called chondrules, which were among the first objects to have formed in our solar system. As is evident in this picture, MezÃ¶-Madaras has abundant large chondrules. Photo by D. Ball, Arizona State University.