pyroxenoids
pyroxenoids
[pə′räk·sə‚nȯidz] (mineralogy)
A mineral group (including wollastonite and rhodonite) compositionally similar to pyroxene, but SiO4 tetrahedrons are connected in rings rather than chains.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.