Given the task definition and input, reply with output. In this task, you are given a paragraph, and your job is to generate comma-separated entities present in the given paragraph. Generate entities from a given passage in such a way that (i) they are present in the paragraph, (ii) they are non-duplicate, (iii) they underwent a state change during the process. Avoid creating entities that (i) aren't present in the process paragraph and (ii) aren't significant. 

An organism dies. Water seeps into the remains. Minerals dissolved in the water form crystals. Crystalized minerals cause the remains to harden. The minerals form a fossil. 

organism ,crystals; crystalized minerals; minerals ,fossil 