| 释义 |
stevensite Min.|ˈstiːvənzaɪt|
[f. the name of Edwin A. Stevens (1795–1868), U.S. inventor and businessman and founder of the Stevens Institute of Technology in Hoboken, New Jersey: see -ite1.]
A brown, pink, or white magnesium-containing mineral of the montmorillonite group.
1889A. E. Foote in Naturalist's Leisure Hour XIII. 31/1 Stevensite 5c to 1·50. 1896A. H. Chester Dict. Names Minerals 257 Stevensite... This name was suggested in 1873, at a meeting of the N.Y. Lyceum of Natural History, but not published, though soon after used on labels. 1916Amer. Mineralogist I. 44 In the old Hartshorn quarry, in Springfield Township, Essex County, New Jersey, Mr. Louis Reamer..discovered a single vein of a peculiar mineral, called by the quarrymen ‘magnesium’ (= talc?)... It proved to be essentially identical with the hitherto imperfectly known stevensite. 1962W. A. Deer et al. Rock-Forming Minerals III. 231 Brindley (1955) described stevensite as a talc-saponite interlayered mineral, whereas Faust and Murata (1953) and Faust et al. (1959) regard it as a smectite with a defect structure in which a small proportion of layers with the ‘attributes of talc’ play only a minor role. 1979Sci. Amer. Apr. 81/2 A good example is the alkaline chemical sedimentation that deposits limestones, cherts, phosphates and magnesium-based clay minerals, including attapulgites, sepiolites and stevensites. |