| glauconite | (n) a green mineral consisting of hydrated silicate of potassium or iron or magnesium or aluminum; found in greensand |
| Glauconite | n. [ Cf. F. glauconite, glauconie, fr. L. glaucus. See Glaucous. ] (Min.) The green mineral characteristic of the greensand of the chalk and other formations. It is a hydrous silicate of iron and potash. See Greensand. [ 1913 Webster ] |
| 海緑石 | [かいりょくせき, kairyokuseki] (n) glauconite [Add to Longdo] |