pyroxene group

14 LETTERS · STARTS WITH P

pyroxene group is a valid 14-letter word worth 28 points in Scrabble and 32 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

P3Y4R1O1X8E1N1E1G2R1O1U1P3

3 + 4 + 1 + 1 + 8 + 1 + 1 + 1 + 0 + 2 + 1 + 1 + 1 + 3 =28 PTS

DOUBLE WORD → 56TRIPLE WORD → 84

MEANING

What does pyroxene group mean?