D2U1M3O1R1T1I1E1R1I1T1E1
15 points
DUMORTIERITE is validvalid
[n DUMORTIERITES]
(French) an orthorhombic borosilicate of aluminium occurring as small violet or blue needles or fibrous masses esp. in gneisses and schists [n -S]
[n DUMORTIERITES]
(French) an orthorhombic borosilicate of aluminium occurring as small violet or blue needles or fibrous masses esp. in gneisses and schists [n -S]