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Formula: Na4TiZr2O4(CO3)4
Anhydrous carbonate, titanium- and
zirconium- bearing mineral
Crystal System: Monoclinic
Specific gravity: 3.36 measured, 3.48 calculated
Streak: White
Colour: Colourless to white
Luminescence: Not fluorescent, but aggregates are sometimes coated in films of a
gibbsite-type mineral that has an intense, white fluorescence under
long wave UV
(Mindat)
Solubility: No reaction in dilute and concentrated (1:1) hydrochloric acid at room temperature, but is readily
soluble with
effervescence in warm hydrochloric acid
Environments
Localities
At the Poudrette quarry, Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Quebec, Canada,
sabinaite occurs
with albite, microcline,
dawsonite, analcime,
sodalite, pectolite,
dolomite and aegirine in
cavities in the
sodalite syenite
associated with an
intrusive alkalic gabbro -
syenite
complex
(CM 23.17-19, HOM).
At the type locality, the Francon quarry, Montréal, Québec, Canada,
dawsonite-bearing silicocarbonatite sills exposed in a
limestone quarry contain a varied mineralogy that includes
several unique
barium- and zirconium- bearing
carbonates
(CM 18.25-29). Sabinaite is associated with calcite,
dawsonite, weloganite,
cryolite, pyrite,
galena, baryte,
ilmenorutile, ankerite,
siderite and quartz
(HOM).
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