steatitousadj.

/ˈstiːətʌɪtəs/Etymology: < French stéatiteux, < stéatite : see steatite n. and -ous suffix.
the world > the earth > minerals > types of mineral > silicates > phyllosilicate > [adjective] > talc > steatite
1853 T. Ross tr. A. von Humboldt III. xxxii. 386 Green steatitous slate mixed with amphibole.
This entry has not yet been fully updated (first published 1916; most recently modified version published online March 2018).