The spelling of the word "Micalith" can be explained using the International Phonetic Alphabet (IPA). The first syllable is pronounced as "maɪ-", with "ai" representing the diphthong sound in "my". The second syllable is pronounced as "-kuh-lith", with the stress on the first syllable. The "-kuh" sound is represented by IPA symbol "kʌ", and the "-lith" is pronounced as "-lɪθ", with "ɪ" representing the short "i" sound. Thus, "Micalith" is pronounced as "maɪ-kuh-lith".