Bibliography used in the subject "Minerals and rocks" of Biology and Geology of 1st ESO

• (s.f.). Retrieved July 18, 2016, from http://e-ducativa.catedu.es/44700165/aula/archivos/repositorio//500/514/html/Unidad_04/index.html
• Gem. (2018, June 9). Wikipedia, The Free Encyclopedia. Access date: 17:57, August 22, 2018 from https://es.wikipedia.org/w/index.php?title=Gema&oldid=108577538.
• Gloss. (2020, March 5). Wikipedia, The Free Encyclopedia. Access date: 19:32, March 6, 2020 from  https://es.wikipedia.org/w/index.php?title=Lustre&oldid=124030772.
• Metamorphism. (2018, April 14). Wikipedia, The Free Encyclopedia. Access date: 10:59, August 24, 2018 from https://es.wikipedia.org/w/index.php?title=Metamorphism&oldid=107018835.
• Mineral. (2018, August 4). Wikipedia, The Free Encyclopedia. Access date: 05:18, August 20, 2018 from https://es.wikipedia.org/w/index.php?title=Mineral&oldid=109744287.
• Industrial ore. (2018, July 2). Wikipedia, The Free Encyclopedia. Consultation date: 17:30, August 22, 2018 from https://es.wikipedia.org/w/index.php?title=Mineral_industrial&oldid=109062777.
• Minerals and rocks. (s.f.). Retrieved July 18, 2016, from http://recursostic.educacion.es/secundaria/edad/1esobiologia/1quincena7/index_1quincena7.htm
• Biosphere Project. (s.f.). Retrieved July 18, 2016, from http://recursos.cnice.mec.es/biosfera/alumno/2ESO/materiales_terrestres/contenidos.htm
• Biosphere Project. (s.f.). Retrieved July 21, 2016, from http://recursos.cnice.mec.es/biosfera/alumno/2ESO/materiales_terrestres/index.htm
• Rock. (2018, July 16). Wikipedia, The Free Encyclopedia. Consultation date: 19:42, August 22, 2018 from https://es.wikipedia.org/w/index.php?title=Roca&oldid=109310836.