"Pegmatite" Quotes from Famous Books
 ... rocks which, underlying the muds, cover so great a part of the continent. Darwin, almost as soon as he landed, was struck by the circumstance that the direction, as shown by his compass, of the prominent features of these great crystalline rock-masses—their cleavage, master-joints, foliation and pegmatite veins—was the same as the orientation described by Humboldt (whose works he had so carefully studied) on the west ...
— Darwin and Modern Science • A.C. Seward and Others
... colour is sometimes yellowish-white, but usually rose-pink, and on this account the mineral was named from [Greek: eosphoros], dawn-bearer. Hardness 5; specific gravity 3.11-3.145. It was discovered in 1878 in a pegmatite-vein at Branchville, Connecticut, where it is associated with other rare manganese phosphates. (L. ...
— Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 2 - "Chicago, University of" to "Chiton" • Various |
