Category:Elvan

Elv"an, a.

2. (Mining)

Defn: Of or pertaining to certain veins of feldspathic or porphyritic rock crossing metalliferous veins in the mining districts of Cornwall; as, an elvan course.

elvan; elvanite Elv"an, Elv"an*ite, n.

Defn: The rock of an elvan vein, or the elvan vein itself; an elvan course.