Pararealgar is a bright orange mineral consisting of arsenic and sulfur. While it may not be a particularly well-known term, there are several synonyms that can be used in its place. These include realgar, orpiment, and Ratschit. Realgar is an arsenic sulfide mineral that is similar to pararealgar in its appearance and properties. Orpiment is another arsenic sulfide mineral that is found in a yellow color and is often used in pigments. Ratschit is a variant of realgar that is found in a more reddish-orange color. Overall, these synonyms can be helpful in expanding one's vocabulary and describing similar minerals to pararealgar.