saponiten.
/ˈsapənʌɪt/ Mineralogy.
A hydrous silicate of aluminium and magnesium, occurring in soft, soapy, amorphous masses, filling veins in serpentine and cavities in trap-rock.
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the world > the earth > minerals > types of mineral > silicates > phyllosilicate > [noun] > smectites > other smectites
scoulerite1840
saponite1849
nefedyevite1873
sauconite1875
stevensite1889
rectorite1891
1849 J. Nicol Man. Mineral. Index.
1862 J. D. Dana Man. Mineral. 145.
1866 P. H. Lawrence tr. B. von Cotta Rocks Classified i. i. 26 Saponite occurs in fissures of serpentine rock.
1883 M. 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.
This entry has not yet been fully updated (first published 1909; most recently modified version published online June 2018).
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n.1849- groupy
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