T1O1U1R1M3A1L1I1N1E1
12 points
TOURMALINE is validvalid
(French) a brittle boron aluminosilicate mineral with a glassy lustre, occurring as prismatic crystals of the trigonal system
(French) a brittle boron aluminosilicate mineral with a glassy lustre, occurring as prismatic crystals of the trigonal system