Tiemannite is a rare mineral with the chemical formula HgSe. The word is spelled as [ti-man-ite] in phonetic transcription. The first syllable 'ti' is pronounced as [ti] which rhymes with the English word 'tea'. The second syllable 'man' is pronounced as [man] which rhymes with 'man'. The final syllable 'ite' is pronounced as [aɪt] which rhymes with 'bite'. The spelling of this word is derived from the name of the German chemist and mineralogist, Heinrich Tiemann who discovered the mineral in 1913.
The word "tiemannite" comes from the name of a German chemist, Ferdinand Tiemann. Tiemannite is named after him to honor his contributions to the field of chemistry.