graphic granite

American  

noun

1. a pegmatite that has crystals of gray quartz imbedded in white or pink microcline in such a manner that they resemble cuneiform writing.

---

Etymology

Origin of graphic granite

First recorded in 1830–40

Example Sentences

Graphic granite, a variety of granite with markings like Hebrew characters.

From Project Gutenberg

"The granite of Cape Warrender differs considerably from that of North Somerset; the former being a graphic granite, composed of grey quartz and white felspar, the quartz predominating; while the latter, or North Somerset granite, is composed of grey quartz, red felspar, and green chloritic mica, the latter in large flakes; both the granite and gneiss of North Somerset are remarkable for their soapy feel."

From Project Gutenberg

This variety, however, though occasionally found in rolled boulders in the neighborhood of Portsoy, is not the graphic granite for which the locality is famous, and which occurs in a vein in the mica schist of the eminence I was now traversing, about a mile to the east of the town.

From Project Gutenberg

The various attempts made to unriddle the real history of graphic granite are, however, scarce less curious than the speculations connected with what may be termed its romance.

From Project Gutenberg

On what principle, then, is it that, reversing its ordinary character, it should have been the last of the two substances to consolidate in the graphic granite?—a query to which there seems to be no direct reply, but which as little affects the fact that it was the substance which last consolidated, and which took form from the other, as the decision of the learned Strasburgers, which determined the impossibility of the long nose in Slawkenbergius's Tale, affected the actual existence of that remarkable feature.

From Project Gutenberg