Tags: Chemical Substance, Mineral.
Carletonite is a rare silicate mineral with formula KNa4Ca4(CO3)4Si8O18(FOH)·(H2O).It is a phyllosilicate and a member of the apophyllite group. Its tetragonal crystals are a translucent blue white colorless or pink with a vitreous to dull lustre. It has a density of 2.45 and a hardness of 4-4.5.It is named after Carleton University in Ottawa Ontario. It was first described in 1969 for an occurrence at Mont Saint-Hilaire Quebec.
