See Also: monchiquite(dictionary)

monchiquite (iou)



monchiquite noun. L19.
[from Serra de Monchique, a mountain range in southern Portugal + -ITE1.]
Petrography. A lamprophyre containing small phenocrysts of olivine and augite, and usu. also biotite or an amphibole, in a glassy groundmass containing analcime.