sentence: Minerals are things that make rocks.
sentences_before: Mineralogy' is the study of minerals.
sentences_after: There are many different types of minerals. Some are hard, like diamonds. Some are soft, like talc. Some are metal, like gold or silver. Minerals are put into special groups of minerals made of similar chemicals, or that have similar structures inside.
concept_name: mineral
headings: Mineralogy
categories: Geology