How Do You Spell DELESSITE?

Delessite is a rare mineral discovered in 1936 by the French mineralogist, Charles de La Primaudaye. The name is pronounced /dəlɛsaɪt/ and comes from the surname of its discoverer. The word is spelled with a "d" followed by "elessite", which sounds like "eh-less-ite". The letters "ess" in the middle of the word represent the "s" sound, while the final "ite" is pronounced like "eye-t". Delessite is a copper-rich mineral found in hydrothermal deposits and is often found in association with other copper minerals.