It means dedicated to Ordoñez (Ezequiel Ordóñez a Mexican geologist). It is the name of a mineral discovered in Guanajuato (Mexico). Ordóñez was director of the Institute of Geology of Mexico. Chemically it is a zinc oxide and antimony.
Ordóñezite: Oxide of zinc and antimony, anhydrous, with impurities of aluminium and silicon, which crystallizes in the tetragonal system and ditétragonal dipiramidal.