1. 
   spinelle
   <chemical> A mineral occuring in octahedrons of great hardness and various colours, as red, green, blue, brown, and black, the red variety being the gem spinel ruby. It consist essentially of alumina and magnesia, but commonly contains iron and sometimes also chromium. ... The spinel group inc...
   Found op http://www.mondofacto.com/facts/dictionary?spinelle
   
   
2. 
   Spinelle
   • (n.) A mineral occuring in octahedrons of great hardness and various colors, as red, green, blue, brown, and black, the red variety being the gem spinel ruby. It consist essentially of alumina and magnesia, but commonly contains iron and sometimes also chromium.
   Found op http://thinkexist.com/dictionary/meaning/spinelle/
   
   

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