SPINELLE
- a mineral, also SPINEL [n -S]
- any of a group of minerals composed principally of oxides of magnesium, aluminum, iron, manganese, chromium, etc., characterized by their hardness and octahedral crystals
- mineral of this group, essentially magnesium aluminate, MgAl2O4, some varieties being used as gems
- spinel (a mineral (a naturally occurring inorganic substance having a characteristic set of physical properties)) [n SPINELLES]