Sabinaite (
Na4 Zr2 Ti O4(
CO
3)
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
** ...
. 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 vectors. In the monoclinic system, the crystal is described by vectors of unequal lengths, as in the orthorhombic s ...
crystal system
In crystallography, a crystal system is a set of point groups (a group of geometric symmetries with at least one fixed point). A lattice system is a set of Bravais lattices. Space groups are classified into crystal systems according to their poin ...
as colorless to white prisms within cavities. It is more typically found as powdery coatings and masses. It has a
specific gravity
Relative density, or specific gravity, is the ratio of the density (mass of a unit volume) of a substance to the density of a given reference material. Specific gravity for liquids is nearly always measured with respect to water at its densest ...
of 3.36.
It has been found in
vug
A vug, vugh, or vugg (
) is a small- to medium-sized cavity inside rock. It may be formed through a variety of processes. Most commonly, cracks and fissures opened by tectonic activity (folding and faulting) are partially filled by quartz, ...
s in a
carbonatite
Carbonatite () is a type of intrusive or extrusive igneous rock defined by mineralogic composition consisting of greater than 50% carbonate minerals. Carbonatites may be confused with marble and may require geochemical verification.
Carbonati ...
sill on
Montreal Island
The Island of Montreal (french: Île de Montréal) is a large island in southwestern Quebec, Canada, that is the site of a number of municipalities including most of the city of Montreal and is the most populous island in Canada. It is the main ...
and within
sodalite
Sodalite ( ) is a tectosilicate mineral with the formula , with royal blue varieties widely used as an ornamental gemstone. Although massive sodalite samples are opaque, crystals are usually transparent to translucent. Sodalite is a member of t ...
syenite in the alkali intrusion at
Mont Saint-Hilaire
Mont Saint-Hilaire (English: Mount Saint-Hilaire; abe, Wigwômadenizibo; see for other names) is an isolated hill, high, in the Montérégie region of southern Quebec. It is about thirty kilometres east of Montreal, and immediately east of the ...
in
Quebec, Canada
Quebec ( ; )According to the Canadian government, ''Québec'' (with the acute accent) is the official name in Canadian French and ''Quebec'' (without the accent) is the province's official name in Canadian English is one of the thirteen p ...
.
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; french: Commission géologique du Canada (CGC)) is a Canadian federal government agency responsible for performing geological surveys of the country, developing Canada's natural resources and protecting the e ...
.
References
Mineral Handbookfrom
Mindat Mindat may refer to:
Places in Burma/Myanmar
*Mindat, Chin State, in Burma
*Mindat Township, in Burma
*Mindat District in Chin State, Burma
Other uses
*Mindat Min
Kanaung Mintha ( my, ကနောင်မင်းသား; 31 January 1820 â ...
Webmineral data
See also
Sodium minerals
Zirconium minerals
Titanium minerals
Oxide minerals
Carbonate minerals
Monoclinic minerals
Minerals in space group 15
{{Carbonate-mineral-stub