granitite

Etymology

From granite + -ite.

granitite means Any of various types of granite containing a high percentage of biotite. Lexicurio rates it Sui generis — a strength score of 87 out of 100.

noun

Any of various types of granite containing a high percentage of biotite.“In several places, notably on the road to Coffin's Beach, and in the vicinity of Bond's Hill, on the west side of Squam River, opposite the city of Gloucester, the diorite is in such a position as to indicate that it is included in the granitite.”