combining form of med. and mod.L. talcum talc, in adjs. describing substances of which talc is an element; as talcochloritic, containing talc and chlorite; so talcomicaceous, talcoquartzous.
1839. De la Beche, Rep. Geol. Cornw., ii. 29. These talcomicaceous slates of the Lizard.
1860. Mayne, Expos. Lex., Talcoquarzosus,… talcoquartzous.
