Minerals make up rocks and are chemical compounds with distinctive
properties. They often grow as irregular shapes but in good conditions mineral
crystals can grow into a specific form. There are lots of different crystal
habits (the shape of a mineral specimen) e.g. reniform (kidney shaped), acicular
(needle shaped) or dendritic (tree-like branches, typical of native copper). The crystal
habit can be used to identify the
Want to know how to identify a mineral? Click here.