S1I1L1L1I1M3A1N1I1T1E1S1
14 points
SILLIMANITES is validvalid
SILLIMANITE, [n]
SILLIMANITE, a silicate of alumina, of fibrous or columnar structure; aka fibrolite [n]
SILLIMANITE, [n]
SILLIMANITE, a silicate of alumina, of fibrous or columnar structure; aka fibrolite [n]