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Mont Saint Hilaire Minerals of Poudrette Quarry

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Catapleiite, Saint Hilaire, Quebec

Catapleiite, M S H, Quebec

Catapleiite, M S H, QC -002

Catapleiite, M S H, QC -002

Catapleiite, M S H, Quebec -003

Catapleiite, M S H, Quebec -003

Eudidymite, Mont Saint Hilaire, Quebec

Eudidymite, M S H, Quebec

Elpidite, Mont Saint Hilaire, Quebec - 001

Elpidite, M S H, Quebec – 001

Narsarsukite fine mineral specimen M S H Quebec - 001

Narsarsukite fine mineral specimen M S H, Quebec – 001

Villiaumite Fine  specimen mineral Mont Saint Hilaire, Quebec - 001

villiaumite-fine-specimen-mineral-mont-saint-hilaire-quebec-001

Narsarsukite fine mineral specimen M S H Quebec - 002

Narsarsukite fine mineral specimen M S H, Quebec – 002

Villiaumite Fine specimen mineral Mont Saint Hilaire, Quebec - 004

Villiaumite Fine specimen mineral Mont Saint Hilaire, Quebec – 004

Analcime crystals fine mineral specimen -001

Analcime crystals fine mineral specimen -001

Elpidite Fine specimen mineral Mont Saint Hilaire, Quebec - 002

Elpidite Fine specimen mineral Mont Saint Hilaire, Quebec – 002

Eudidymite, Fine mineral specimen Mont Saint Hilaire, Quebec -003

Eudidymite, Fine mineral specimen Mont Saint Hilaire, Quebec -003

Rhodochrosite Polylithionite Aegirine MSH -001

Rhodochrosite Polylithionite Aegirine MSH -001

Leucophanite, Rhodochrosite, Serandite, Albite, Aegirine MSH

Leucophanite, Rhodochrosite, Serandite, Albite, Aegirine MSH

 

CATAPLEIITE

 

Rare minerals, such as Serandite Catapleiite and Carletonite, found in the Poudrette quarry at Mont Saint Hilaire, are recognized and sought after by the collecting community worldwide.

Many rare and unusual mineral specimens were discovered in the Poudrette Quarry at MSH, in Quebec, Canada. While many fascinating large cabinet size examples where collected over the years most remarkable here was the abundance of rare species. From about 438 species found in the Poudrette quarry more than 60 of this are new to science and many unique to M S H. Rare Earth Elements, Lanthanum (La), Cerium (Ce) Neodymium (Nd) Yttrium (Y) and Gadolinium (Gd) are present in many of the specimens which adds to the complexity and diversity of the long list of species. Pseudomorphs after Serandite, Aegirine, Catapleiite, Fluorite, Eudyalite and many other species are common and in some cavities (altered Pegmatites) there was only Pseudomorphs. Most of the rarities are found only as small crystals and most are requiring micro-mounting and use of a microscope.

There is a plenty of articles about M S H and minerals found at the Poudrette quarry. Rivista in Italy, Regne mineral in france, lapis and Mineralien welt in Germany as well as Mineralogical record and Rocks and Minerals in USA all featured at least one or more articles about this unique locality.

 

 For more information about this famous site please go the following link at Mindat.org:

http://www.mindat.org/loc-599.html

On the top of the Poudrette Pegmatite

Poudrette Pegmatite

 

2003 Polylithionite Pocket was 14 feet deep.

2003 Polylithionite Pocket was 14 feet deep.

2003 Polylithionite Pocket was 14 feet deep.

Mont saint Hilaire rare micro-mounted Species

MSH rare micro-mounted Species

click here to see some of MSH specimens in my collection

At Monteregonite Leucosphenite spot.

At Monteregonite Leucosphenite spot.

Large Pseudomorph pocket

My Nephew Lordan in action

Natrolite, Aegirine, Mont Saint Hilaire, Quebec

Natrolite, Aegirine, Mont Saint Hilaire, Quebec

Serandite, Mont Saint Hilaire, Quebec - 001

Serandite, Mont Saint, Hilaire-Quebec/

Polylithionite, Mont Saint Hilaire, Quebec

Polylithionite, Mont Saint Hilaire, Quebec

Carletonite, Mont Saint Hilaire, Quebec

Carletonite, Mont Saint Hilaire, Quebec

Carletonite, Mont Saint Hilaire, QC -001

Carletonite, Mont Saint Hilaire, QC -001

Narsarsukite fine mineral specimen Mont Saint Hilaire Quebec - 003

Narsarsukite fine mineral specimen Mont Saint Hilaire Quebec – 003

Narsarsukite fine mineral specimen Mont Saint Hilaire Quebec - 004

Narsarsukite fine mineral specimen Mont Saint Hilaire Quebec – 004

Villiaumite Fine specimen mineral Mont Saint Hilaire, Quebec - 002

Villiaumite Fine specimen mineral Mont Saint Hilaire, Quebec – 002

Villiaumite Fine specimen mineral Mont Saint Hilaire, Quebec - 003

Villiaumite Fine specimen mineral Mont Saint Hilaire, Quebec – 003

Ashcroftine-(Y) Mont Saint Hilaire -001

Ashcroftine-(Y) Mont Saint Hilaire -001

Serandite Analcime fine mineral specimen -001

Serandite Analcime fine mineral specimen -001

Eudidymite, Fine mineral specimen Mont Saint Hilaire, Quebec -002

Eudidymite, Fine mineral specimen Mont Saint Hilaire, Quebec -002

Rhodochrosite Albite Aegirine MSH -001

Rhodochrosite Albite Aegirine MSH -001 SOLD

Elpidite Fine specimen mineral Mont Saint Hilaire Quebec - 003

Elpidite Fine specimen mineral Mont Saint Hilaire Quebec – 003