About this index.
A short orientation to the project — what the Index is, where its data comes from, and the legal terms under which it is published.
About
What this project is, how each entry is sourced and built, and the principles behind it.
Glossary
Every mineralogical term used across the Index, defined once and linked from every entry that mentions it.
Legal notice
Publishing terms, licensing, and the contact details required by law for the maintainers of the Index.