sinopiten.
/ˈsɪnəʊpʌɪt/ Mineralogy.
(See quots.)
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the world > the earth > structure of the earth > constituent materials > clay > [noun] > other clays
red clayc1475
urry1669
blae1724
cat-dirt1747
iron clay1750
till1762
mulatto clay1788
oak-tree clay1794
porcelain jasper1794
porcellanite1794
Karoo ground1836
plinthite1836
papa1851
Bradford clay1858
Indianaite1868
sinopite1868
hydrobiotite1881
pampas-clay1885
byon1892
potato clay1896
bentonite1898
quick clay1901
gumbotil1916
1868 Watts Sinopite, Bole of Sinope,..a ferruginous bole occurring in masses with fine earthy fracture, in Cappadocia.
1868 J. D. Dana Min. 477 Sinopite,..a clayey earth of a brick-red color dotted with white, adhering to the tongue.
This entry has not yet been fully updated (first published 1911; most recently modified version published online June 2018).
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n.1868