P3Y4R1O1X8E1N1O1I1D2
23 points
PYROXENOID is validvalid
[n PYROXENOIDS]
a mineral like pyroxene, a common mineral occurring in monoclinic crystals [n -S]
[n PYROXENOIDS]
a mineral like pyroxene, a common mineral occurring in monoclinic crystals [n -S]