Horváthite-(Y), Siderite

Specimen ID: N91-186

Mineral(s)
Horváthite-(Y) : NaY(CO3)F2
Siderite : FeCO3
Locality
As recorded:
Poudrette quarry, Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec, Canada
Mindat locality:
Events

Photo added to mindat.org

FOV ~ 2 cm high. Via Jean-Pierre Beckerich.MOB coll. All of the slightly pinkish xls, including those on the olive/tan siderite are horvathite. Individual xls seem colorless but aggregates have a pale pinkish tinge. The white bladed stuff is nondescript albite. A low contrast subject that works best in stereo.
Modris Baum - 1st November 2009

Photo added to mindat.org

FOV ~ 2 cm high. This is a stereo child photo.
Modris Baum - 1st November 2009
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