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== Pranala luar ==
* [http://www.uwgb.edu/dutchs/PETROLOGY/Spinel%20Structure.HTM Spinel structure] {{Webarchive|url=https://web.archive.org/web/20130504094435/http://www.uwgb.edu/dutchs/Petrology/Spinel%20Structure.HTM |date=2013-05-04 }} at the University of Wisconsin - Green Bay
* [http://www.tf.uni-kiel.de/matwis/amat/def_en/kap_2/basics/b2_1_6.html Spinel structure] at the Institut for materials science of the University of Kiel
* [http://www.gemsociety.org/article/spinel-jewelry-and-gemstone-information/ Value of Spinel]
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