• Monteregianite-(Y): Mineral information, data and localities.

    www.mindat.org/min-2765.html Named by George Y. Chao in 1978 after the Monteregian Hills, a series of monadnocks or prominent hills on an otherwise flat landscape in eastern Quebec, Canada. The type locality for the mineral, Poudrette Quarry, Mont Saint-Hilaire, is on one of these hills. Before being described, the mineral was ...
  • Monteregianite-(Y) Mineral Data

    webmineral.com/data/Monteregianite-(Y).shtml Ghose S , Sen Gupta P K , Campana C F , American Mineralogist , 72 (1987) p.365-374, Symmetry and crystal structure of monteregianite, Na4K2Y2Si16O38.10H2O, a, double-sheet silicate with zeolitic properties, Note: Several bond lengths cannot be reproduced with this data, but the authors, no longer have the original data, so they cannot check
  • Monteregianite-(Y) - Mindat.org

    www.mindat.org/gm/2765 FOV 3.9 x 3.0 mm. Found June 1997. MOB coll. As is characteristic of monteregianite-(Y), these xls fluoresce very bright green. They come from an igneous breccia. Some who have seen this photograph (but not the specimen) have suggested natrolite. While it is true that natrolite also occurs in breccia and can look somewhat similar, it ...
  • Monteregianite-(Y)

    collectionarkane.com/.../877-monteregianite-y-87-x-6-x-48-cm.html Excellent specimen of numerous Monteregianite-(Y) crystals up to 5 mm in size, associated with Pectolite and an unidentified mineral species. Locality: Poudrette Quarry, Mont-Saint-Hilaire, Quebec Province, Canada (type locality for Monteregianite-(Y)). Specimen size: small cabinet. 8.7 x 6 x 4.8 cm.
  • Monteregianite-(Y): Mineral information, data and localities.

    zh.mindat.org/min-2765.html Monteregianite-(Y)-Wickenburgite Series. Several synthetic REE analogues have been prepared.
  • Montérégianite-(Y) (LT) - Saint-Hilaire

    www.saint-hilaire.ca/fr/monter.html (Na,K)(Y,Ca)Si 16 38 · 10H. Le mont Saint-Hilaire est la localité-type pour la montérégianite-(Y), et toujours la seule pour l’espèce. CARACTÉRISTIQUES PHYSIQUES: Couleur – incolore, gris pâle à foncé, rose pâle ou violet, et blanc à presque noir. Quelques cristaux montrent des zonations de couleurs rose ou vert.
  • Monteregianite-(Y) (TL) - Saint-Hilaire

    www.saint-hilaire.ca/en/monter.htm (Na,K)(Y,Ca)Si 16 38 · 10H. Mont Saint-Hilaire is the type locality for monteregianite-(Y) and still the only locality. PHYSICAL CHARACTERISTICS: Color ranges from colorless, pale to dark gray, pale rose or violet, and white to nearly black.
  • Monteregianite-(Y) mineral information and data

    www.dakotamatrix.com/mineralpedia/7172/monteregianite-y Monteregianite-(Y) - Named after the type and only locality at the Poudrette quarry at Mont Saint-Hilaire which is in the Monteregian Hills in Canada.
  • Monteregianite-(Y) (type locality) with Pectolite on ...

    www.irocks.com/minerals/specimen/44089 Monteregianite-(Y) is a rare sodium potassium yttrium calcium silicate hydrate found in miarolitic cavities and other occurrences in nepheline syenite intrusive at Mont Sainte-Hilaire in the Monteregian Hills of Quebec. Ex. Paulo Matioli collection. Order Now
  • Monteregianite-(Y) Mineral Data

    webmin.mindat.org/data/Monteregianite-(Y).shtml Monteregianite-(Y) Comments: Feathery, radiating pinkish-white acicular monteregianite crystals on one end of greenish matrix. Location: Desourdy Quarry, Mont Saint-Hilaire, Quebec, Canada. Scale: Specimen Size 5x2.5x2.5 cm..