SILLIMANITE


Meaning of SILLIMANITE in English

[sil.li.man.ite] n [Benjamin Silliman d. 1864 Am. geologist] (ca. 1830): a brown, grayish, or pale green mineral that consists of an aluminum silicate in orthorhombic crystals often occurring in fibrous or columnar forms

Merriam-Webster English vocab.      Английский словарь Merriam Webster.