# MineralFYI.com — Full Content Index

> Mineral encyclopedia — every mineral, every crystal, every locality. Mineral profiles, crystal systems, Strunz classification, localities, and mineralogy guides in 15 languages.

## URL Patterns

- /minerals/ — Mineral species directory
- /mineral/{slug}/ — Mineral detail (e.g. /mineral/quartz/)
- /classes/ — Strunz mineral classes
- /class/{slug}/ — Class detail (e.g. /class/silicates/)
- /crystal-systems/ — Crystal systems list
- /crystal-system/{slug}/ — Crystal system detail
- /countries/ — Country list by mineral diversity
- /country/{code}/ — Country mineral profile
- /localities/ — Notable mineral localities
- /locality/{slug}/ — Locality detail
- /rocks/ — Rock types (igneous, sedimentary, metamorphic)
- /rock/{slug}/ — Rock type detail
- /compare/ — Mineral comparison index
- /compare/{slug1}/vs/{slug2}/ — Mineral comparison
- /glossary/ — Mineralogy glossary
- /glossary/{slug}/ — Glossary term detail
- /guides/ — Mineralogy guides
- /guide/{slug}/ — Guide article
- /tools/ — Mineral identification tools
- /tool/{slug}/ — Interactive tool
- /developers/ — Developer platform

## REST API

Base URL: https://mineralfyi.com/api/

- GET /api/minerals/ — List minerals (?q=, ?class=, ?crystal_system=, ?lang=)
- GET /api/minerals/{slug}/ — Mineral detail (?lang=)
- GET /api/classes/ — List mineral classes (?lang=)
- GET /api/crystal-systems/ — List crystal systems (?lang=)
- GET /api/countries/ — List countries (?continent=, ?lang=)
- GET /api/glossary/ — List glossary terms (?category=, ?q=, ?lang=)
- GET /api/guides/ — List guides (?series=, ?lang=)
- GET /api/search/?q= — Search minerals
- GET /api/stats/ — Database statistics
- GET https://mineralfyi.com/api/schema/ — OpenAPI 3.0 schema
- GET https://mineralfyi.com/api/docs/ — Swagger UI

## Markdown Access

Append .md to any page URL: /mineral/quartz.md
Returns text/markdown with X-Robots-Tag: noindex and CORS headers.

## i18n

All pages available in 15 languages. Prefix URL with language code:
- /ko/ (Korean), /ja/ (Japanese), /zh-hans/ (Chinese Simplified)
- /es/ (Spanish), /fr/ (French), /de/ (German), /pt/ (Portuguese)
- /ru/ (Russian), /ar/ (Arabic), /hi/ (Hindi)
- /th/ (Thai), /vi/ (Vietnamese), /id/ (Indonesian), /tr/ (Turkish)

API uses ?lang= parameter instead of URL prefixes.