1. 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
Related formssaus·su·rit·ic [saw-suh-rit-ik] /ˌsɔ səˈrɪt ɪk/, adjective Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for saussurite

Historical Examples of saussurite