Other databases and useful links RRUFF Project databases: The links below provide direct access to the search results pages for the listed databases. RRUFF Database IMA List AMCSD RRUFF References Cell parameters database Paragenetic modes ODR databases: Gale crater mineralogy and geochemistry sample database ESMD-Garnet Database Refractive indices of minerals and synthetic compounds Modal analyses of lunar soils by quantitative X-ray diffraction analysis Other useful links: mindat.org Handbook of Mineralogy Mineral Atlas