noun🔗SharePiroxenoAny of a group of crystalline minerals containing silicates of iron, magnesium and calcium."The geologist found several dark, shiny crystals of pyroxene in the rock sample she collected. "La geóloga encontró varios cristales oscuros y brillantes de piroxeno en la muestra de roca que recolectó.mineralgeologyChat with AIVocabulary GamePractice Reading
