1. 
   glaucochroite
   manganese-rich variety of the mineral monticellite (q.v.).[2 related articles]
   Found op http://www.britannica.com/eb/a-z/g/36
   
   
2. 
   Glaucochroite
   Glaucochroite is a calcium manganese nesosilicate mineral with formula: CaMnSiO4. It occurs in metamorphosed limestones. It was first described in 1899 in Franklin Furnace, Sussex County, New Jersey. ...
   Found op http://en.wikipedia.org/wiki/Glaucochroite
   
   

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