Berlinite is a rare mineral that belongs to the phosphate group and is often sought after by geologists and mineral collectors alike. However, there are several synonyms or other names that refer to this mineral. These include phospho-amblygonite, iron-bearing amblygonite, iron-rich montebrasite, and brushite. Each of these synonyms is a variation of the mineral name depending on their chemical composition or crystal structure. Despite the different names, Berlinite remains a prized mineral for its unique properties and significance in geology and mineralogy. So whether you call it Berlinite, phospho-amblygonite, or any of its synonyms, it remains an extraordinary mineral worth exploring.