A huge mass of the veinstone holding abundance of this mineral is exposed, whence it may be plentifully obtained in excellent crystals.
"Scientific American Supplement, No. 415, December 15, 1883" by Various
Very often displacement of the walls again takes place, and the infilling or "veinstone" is torn apart and brecciated.
"Encyclopaedia Britannica, 11th Edition, Volume 4, Slice 4" by Various
Occasionally the metallic ores are disseminated in detached masses among the veinstones.
"A Manual of Elementary Geology" by Charles Lyell