Darapiosite is a rare mineral with the chemical formula FeTiNb2O7. The spelling of this word can be broken down using IPA phonetic transcription as /ˌdærəpaɪəˈzaɪt/. The word has four syllables, with the primary stress on the third syllable, "paɪ", and the secondary stress on the first syllable, "dær". The letters "dar" represent the sound /dær/, followed by "a" pronounced as /ə/. The word ends with "posite", pronounced as /ˈzaɪt/. Darapiosite is found in some deposits of tin and tantalum.