The word "slatespar" is a term used to describe a type of shiny, crystalline mineral that is commonly found in slate. The correct spelling of this word is "slate-spar," with a hyphen between the two parts of the word. The phonetic transcription of the word is /sleɪt spɑr/, with the stress on the first syllable of "slate" and the second syllable of "spar." This spelling indicates that the word is made up of two components, "slate" and "spar," which are joined together to form a compound noun.