/ˈɒsɪpaɪt/ or /ˈɒsɪpaɪt/ (oss-i-pite) or /ˌɒsɪˈpaɪt/ (oss-i-pite)

Definitions

1. noun

A rare earth mineral, a hydrated sodium phosphate.

“The geologist studied the properties of ossypite in the rock sample.”