Category:Whinstone

Whin"stone", n. Etym: [whin + stone; cf. Scot. quhynstane.]

Defn: a provincial name given in england to basaltic rocks, and Applied by miners to other kind of dark-colored unstratified rocks Which resist the point of the pick. -- for example, to masses of chert. Whin-dikes, and whin-sills, are Names sometimes given to veins or beds of basalt.