International Union of Crystallography https://www.iucr.org/
Online Dictionary of Crystallography (the ODC) https://dictionary.iucr.org/Main_Page
American Mineralogist Crystal Structure Database https://www.rruff.net/amcsd/
The Royal Society https://royalsociety.org/
Mineralogical Magazine https://www.cambridge.org/core/journals/mineralogical-magazine
American Chemical Society Crystallography https://www.acs.org/careers/chemical-sciences/fields/crystallography.html
Cambridge Crystallographic Data Centre https://www.ccdc.cam.ac.uk/
Inorganic Crystal Structure Database https://icsd.products.fiz-karlsruhe.de/en/about/about-icsd
Bases de Estruturas Cristalinas https://bdec.dotlib.com.br/
Sociedade Brasileira de Pesquisa em Materiais https://www.sbpmat.org.br/pt/
Associação Brasileira de Cristalografia https://www.abcristalografia.org.br/
Sociedade Brasileira de Física https://www.sbfisica.org.br/v1/sbf/sobre-nos/
American Crystallographic Association https://www.amercrystalassn.org/
Mineralogical Society https://www.minersoc.org/
International Mineralogical Association https://mineralogy-ima-wordpress.website/