Cancrinite - Handbook of MineralogyCancrinite. Na6Ca2Al6Si6O24(CO3)2 c. ○2001 Mineral Data Publishing, version 1.2. Crystal Data: Hexagonal. Point Group: 6. Rarely as prismatic crystals,.hammer cancrinite crusher peat,Cancrinite: Mineral information, data and localities. - MindatCancrinite Group. Also classed as a feldspathoid. In the structure there are large channels closed by 12-membered tetrahedra rings. The channels are .Experiments on the stability of cancrinite in the system Na2O-CaO .INTRODUCTION. Cancrinite crystal chemistry. Cancrinite-group minerals are framework aluminosilicates. (feldspathoids) characterized by a network of (Al,Si)O4.
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