n. [ Oligo- + Gr. &unr_; fracture, fr. &unr_; to break. ] (Min.) A triclinic soda-lime feldspar. See Feldspar. [ 1913 Webster ]
n. [ Oligo- + Gr. &unr_; fracture, fr. &unr_; to break. ] (Min.) A triclinic soda-lime feldspar. See Feldspar. [ 1913 Webster ]