| 释义 |
saponite Min.|ˈsæpənaɪt|
[f. L. sāpōn-em soap + -ite; formed by Svanberg 1841 as a rendering of the Ger. name seifenstein (= soap-stone).]
A hydrous silicate of aluminium and magnesium, occurring in soft, soapy, amorphous masses, filling veins in serpentine and cavities in trap-rock.
1849J. Nicol Man. Min. Index. 1862Dana Man. Min. 145. 1866 Lawrence tr. Cotta's Rocks Class. (1878) 22 Saponite occurs in fissures of serpentine rock. 1883M. F. Heddle in Encycl. Brit. XVI. 414/2 Saponite,..Massive; sectile, and very soft... White, orange-yellow, pale green, and reddish brown... Occurs in all the above colours in the later igneous rocks of Scotland, commonly. |