Sabinaite ( Na₄ Zr₂ Ti O₄( CO₃)₄) is a rare

carbonate mineral Carbonate minerals are those minerals containing the carbonate ion, . Carbonate divisions Anhydrous carbonates *Calcite group: trigonal **Calcite CaCO3 **Gaspéite (Ni,Mg,Fe2+)CO3 **Magnesite MgCO3 **Otavite CdCO3 **Rhodochrosite MnCO3 **Sider ...

. It crystallizes in the

monoclinic In crystallography, the monoclinic crystal system is one of the seven crystal systems. A crystal system is described by three Vector (geometric), vectors. In the monoclinic system, the crystal is described by vectors of unequal lengths, as in t ...

crystal system as colorless to white prisms within cavities. It is more typically found as powdery coatings and masses. It has a

specific gravity Relative density, also called specific gravity, is a dimensionless quantity defined as the ratio of the density (mass of a unit volume) of a substance to the density of a given reference material. Specific gravity for solids and liquids is nea ...

of 3.36. It has been found in vugs in a

carbonatite Carbonatite () is a type of intrusive rock, intrusive or extrusive rock, extrusive igneous rock defined by mineralogic composition consisting of greater than 50% carbonate minerals. Carbonatites may be confused with marble and may require geoche ...

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 The Geological Survey of Canada (GSC; , CGC) is a Canadian federal government agency responsible for performing geological surveys of the country developing Canada's natural resources and protecting the environment. A branch of the Earth Science ...

References

Mineral Handbook
from

Mindat Mindat may refer to: Places * Mindat District, a district in Chin State, Myanmar (Burma), consisting of two townships and many villages ** Mindat Township, Myanmar *** Mindat, Chin State, a town in Chin State, Myanmar, administrative seat of Mindat ...

Webmineral data
Sodium minerals Zirconium minerals Titanium minerals Oxide minerals Carbonate minerals Monoclinic minerals Minerals in space group 15 {{Carbonate-mineral-stub