en2015-08-18 18:08 PM CESThttp://inspire.ec.europa.eu/codelist/CommodityCodeValue/spinel:1http://inspire.ec.europa.eu/codelist/CommodityCodeValue/spinelSpinel /ˈspɪnɛl/ is the magnesium aluminium member of the larger spinel group of minerals. It has the formula MgAl2O4 - http://en.wikipedia.org/wiki/Spinel