P3L1A1G2I1O1C3L1A1S1E1S1
17 points
PLAGIOCLASES is validvalid
PLAGIOCLASE,
PLAGIOCLASE, a fine-grained volcanic rock of intermediate composition, consisting largely of plagioclase and one or more mafic minerals
PLAGIOCLASE,
PLAGIOCLASE, a fine-grained volcanic rock of intermediate composition, consisting largely of plagioclase and one or more mafic minerals