a mineral with rhombohedral crystals, kfe{3}[3 ](so{4}){2}(oh){6}

listen to the pronunciation of a mineral with rhombohedral crystals, kfe{3}[3 ](so{4}){2}(oh){6}
a mineral with rhombohedral crystals, kfe{3}[3 ](so{4}){2}(oh){6}