Minerals identify

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Carletonite

Phyllosilicate

Carletonite is a rare silicate mineral with formula KNa4Ca4(CO3)4Si8O18(F,OH)·(H2O).

It is a phyllosilicate and a member of the apophyllite 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 was discovered by G.Y Chao and named for the school he attended, Carleton University It was first described in 1969 for an occurrence at Mont Saint-Hilaire. The type locality at Mont Saint–Hilaire is the only reported occurrence.

It occurs in hornfels xenoliths intrusion. It occurs in association with quartz , narsarsukite, ancylite, lorenzenite , pectolite, microcline

Identification

Mohs scale ( mineral hardness )

4

Density ( specific gravity )

1.521
1.517

Crystal ( diaphaneity )

Tetragonal