View this post on Instagram A post shared by 𝕊𝕒𝕣𝕒𝕙 𝕀𝕜𝕖𝕣𝕕 (@sarah.ikerd) “Apatite is not actually a specific mineral, but rather, is a name for a group of similar isomorphous hexagonal phosphate minerals.” — University of Waterloo, Earth Sciences Museum https://uwaterloo.ca/earth-sciences-museum/resources/detailed-rocks-and-minerals-articles/apatite
