It is more typically found as powdery coatings and masses.

[2] It has been found in vugs in a carbonatite sill on Montreal Island and within sodalite syenite in the alkali intrusion at Mont Saint-Hilaire in Quebec, Canada.

It was first described in 1980 for an occurrence in the Francon quarry, Montreal Island.

It is named after Ann Sabina (1930–2015), a mineralogist working for the Geological Survey of Canada.

This article about a specific carbonate mineral is a stub.