CHALK n.
pit, a pit in which chalk is dug. -- Drawing chalk. See Crayon, n., 1. -- French chalk, steatite or soapstone, a soft magnesian mineral. -- Red chalk, an indurated clayey ocher containing iron, and used by painters and artificers; reddle.
TALC n.
grayish color, usually occurring in foliated masses. It is hydrous silicate of magnesia. Steatite, or soapstone, is a compact granular variety. Indurated talc, an impure, slaty talc, with a nearly compact texture, and greater hardness than common talc; -- called also talc slate.
VENETIAN a.
n is therefore commonly made up of simple stripes. -- Venetian chalk, a white compact or steatite, used for marking on cloth, etc. -- Venetian door (Arch.), a door having long, narrow windows or panes of glass on the sides. -- Venetian glass, a kind of glass made by the Venetians, for decorative purposes, by the com…