noun🔗ShareZirconA mineral occurring in tetragonal crystals, usually of a brown or grey colour and consisting of silica and zirconia."The geologist found a beautiful zircon crystal in the rock sample. "Le géologue a trouvé un magnifique cristal de zircon dans l'échantillon de roche.mineralmaterialgeologysubstancescienceChat with AIVocabulary GamePractice Reading
noun🔗ShareZirconA crystal of zircon, sometimes used as a false gemstone."The cheap necklace looked expensive, but the "diamonds" were actually just zircon. "Le collier bon marché avait l'air cher, mais les « diamants » étaient en fait juste du zircon.mineralmaterialgeologyChat with AIVocabulary GamePractice Reading
