1839 H. T. De la Beche Rep. Geol. Cornw. ii. 29These talcomicaceous slates of the Lizard.
1860 Mayne Expos. Lex. ,Talcoquarzosus,..talcoquartzous.
talco-
combining form
Etymology: talcum
: talc and
< talcochlorite >
: talcose and
< talcomicaceous >
< talcochlorite >
: talcose and
< talcomicaceous >