sulfate mineral
any mineral of Nickel–Strunz 9 ed mineral class number 7 (isolated tetrahedral units, mainly)
en-US/ˈsʌlˌfeɪt ˈmɪnəɹəl/
en-GB/ˈsʌlfeɪt ˈmɪnəɹəl/
any mineral of Nickel–Strunz 9 ed mineral class number 7 (isolated tetrahedral units, mainly)