... mineral from the Aris phonolite (Namibia), Mont Saint-Hilaire (Quebec), and the Saint-Amable sill (Quebec). At the Aris phonolite, arisite-(Ce) occurs as vitreous, transparent, beige, beige-yellow, light lemon yellow to pinkish, tabular, hexagonal plates and prisms up to 1.5 mm in miarolitic cavities...

... of the United Kingdom and Ireland 2024 The Author(s) Lykova et al. ( 2024 ) describe the new mineral natromelansonite, Na 3 Zr(Si 7 AlO 19 )⋅4–5H 2 O, from the Poudrette (Demix) Quarry, Mont Saint-Hilaire, Québec, Canada, and compare it to the related species melansonite, (Na,□)□ 2 KZrSi 8 O 19 ⋅5H 2...

...Andrew M. McDonald; George Y. Chao Abstract Kodamaite, ideally Na 3 (Ca 5 Na) 6 Si 16 O 36 (OH) 4 F 2 ·14− x H 2 O, where x = ∼5, is a new mineral discovered at the Poudrette quarry, Mont Saint-Hilaire, Quebec, Canada. It develops in spherulitic aggregates up to ∼2 mm across, comprising thin, platy...

...Inna Lykova; Ralph Rowe; Glenn Poirier; Henrik Friis; Stephanie Barnes Abstract Natromelansonite, Na 3 Zr[Si 7 AlO 19 ]⋅4–5H 2 O, was found at the Poudrette (Demix) quarry, Mont Saint-Hilaire, Quebec, Canada in a highly altered pegmatite together with a clay mineral, steacyite, polylithionite...

...Thomas E. Gore; Andrew M. McDonald Abstract Melansonite, ideally (Na,□)□ 2 KZrSi 8 O 19 ·5H 2 O, is a new mineral discovered at the Poudrette Quarry, Mont Saint-Hilaire, Québec, Canada. It develops as loose clusters of square to rectangular, euhedral plates with average dimensions of 35 × 50 μm...

.... Most of the chapter is devoted to the geology of the Mont Saint Hilaire pluton, which was emplaced in calcareaous shale, siltstone, and limestone of Upper Ordovician age. The pluton itself is divided into three intrusive suites, separated in time. The East Hill suite, in which the Poudrette quarry...

... Copyright © 2020 by the Mineralogical Society of America 2020 Mineralogical Society of America The readers has free access to the “free” material but MSA holds the rights ElEmEnts April 2020145 BOOK REVIEWS MONT SAINT-HILAIRE: HISTORY, GEOLOGY, MINERALOGY1 About 40 km east of Montreal...

... refinement, the occupancies of the A (2) and W A sites were adjusted in accord with the chemical analysis and constrained to be equal (see text below). The D(donor)–H(1,2) distances were softly constrained to 0.98 Å. laverovite new mineral astrophyllite supergroup Mont Saint-Hilaire Québec...

...Monika M.M. Haring; Andrew M. Mcdonald Abstract Charleshatchettite, CaNb 4 O 10 (OH) 2 ·8H 2 O, is a new mineral related to franconite and hochelagaite, discovered on a fracture surface of a nepheline syenite at Mont Saint-Hilaire, Québec, Canada. The mineral occurs in white globules (~0.15–0.20 mm...

... : [email protected] 27 January 2017 14 March 2017 © 2017 Mineralogical Association of Canada 2017 ferro-ferri-nybøite new amphibole Mont Saint-Hilaire Canada corrected chemical composition and formula Lussier et al . (2014) reported on a new amphibole species from...

... Saint-Hilaire crystal structure borosilicate sérandite–pectolite loop-branched dreier chain Fourier transform infrared spectrum Raman spectrum An infrared (FTIR) spectrum ( Fig. 4 ) was collected over a range of 600 to 4000 cm –1 using a Bruker Alpha spectrometer (Department of Chemistry...

...Elena Sokolova; Frank C. Hawthorne Abstract Here we report the crystal structure of zircophyllite, ideally K 2 NaFe 2+ 7 Zr 2 (Si 4 O 12 ) 2 O 2 (OH) 4 F, from Mont Saint-Hilaire, Québec, Canada. This is the first determination of the crystal structure of zircophyllite, which was originally...

...Joel D. Grice; Ralph Rowe; Glenn Poirier Abstract Garronite-Na, ideally Na 6 (Al 6 Si 10 O 32 ) · 7–10H 2 O, a new mineral species, was found in the Mont Saint-Hilaire quarry, Québec. It occurs in vugs in sodalite syenite. The crystals are transparent to translucent, pale yellow in color...

...E. Sokolova; F. Cámara; Y.A. Abdu; F.C. Hawthorne; L. Horváth; E. Pfenninger-Horváth Abstract Bobshannonite, Na 2 KBa(Mn,Na) 8 (Nb,Ti) 4 (Si 2 O 7 ) 4 O 4 (OH) 4 (O,F) 2 , is a new TS-block mineral from Mont Saint-Hilaire, Québec, Canada. It occurs as blocky crystals 0.5–1 mm across, perched...

...Andrew M. McDonald; Peter Tarassoff; George Y. Chao Abstract Hogarthite, (Na,K) 2 CaTi 2 Si 10 O 26 ·8H 2 O, a new mineral of the lemoynite group, was discovered in vugs within metasomatically altered marble xenoliths in the Poudrette quarry, Mont Saint-Hilaire, La-Vallée-du-Richelieu RCM...

...Joel D. Grice; Ralph Rowe; Glenn Poirier A bstract Bussyite-(Y), ideally (Y, REE ,Ca) 3 (Na,Ca) 6 MnSi 9 Be 5 (O,OH,F) 34 , a new mineral species, was found in the Mont Saint-Hilaire quarry, Quebec, Canada. The crystals are transparent to translucent, dark brown, with a white streak and vitreous...

..., Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie (formerly Rouville County), Québec, Canada. It occurs in an igneous microbreccia associated with a eudialyte-group mineral, an astrophyllite-group mineral, albite, and nepheline. Crystals are prismatic parallel to [001] with {100} and {110...

... of the Poudrette pegmatite at Mont Saint-Hilaire, Quebec. Epitactic-like, euhedral crystals (pseudocubes) of both minerals range from 0.1 to 1 mm in size (average: 0.2 mm), with ramikite-(Y) forming yellowish-white cores (dominant) and peatite-(Y) occurring as thin (< 50 um) pale pink rims. Crystals of peatite...

...Paula C. Piilonen; Ralph Rowe; Glenn Poirier; Joel D. Grice; Andrew M. McDonald Abstract The crystal chemistry of a unique Nb-Ti-rich thorite from Mont Saint-Hilaire (Quebec) has been examined by a combination of single crystal and powder X-ray diffraction, electron microprobe analyses, and Fourier...

...Monika M.M. Haring; Andrew M. McDonald; Mark A. Cooper; Glenn A. Poirier Abstract Laurentianite, [NbO(H 2 O)] 3 (Si 2 O 7 ) 2 [Na(H 2 O) 2 ] 3 , is a new mineral discovered in siderite-dominant pods in an altered syenite at the Poudrette quarry, Mont Saint-Hilaire, Quebec. Crystals are colorless...