- a mineral aggregate of albite, zoisite, and other calcium aluminum silicates, formed by alteration of plagioclase feldspars in igneous rocks.
Origin of saussurite
1805–15; named after H. B. de Saussure (1740–99), Swiss geologist and physicist; see -ite1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for saussurite
Equally characteristic of the gabbros is the alteration of the felspars to cloudy, semi-opaque masses of saussurite.
Saussurite, saw-sū′rīt, n. a fine-grained compact mineral, of grayish colour.