Rhodochrosite with Analcime, Natrolite

specimen number:
2063485

location:
Poudrette Quarry, Mt. St. Hilaire, Quebec, Canada

description:
Good thumbnail for this famous locality. Colorless opaque sharply formed crystal of analcime 1.0 cm in diameter is forming a cluster with rosettes of brownish thin bladed rhodochrosite crystals. A single terminated crystal of natrolite 1.0 cm in height comes right off the top and is freestanding. In good condition.

The Poudrette Quarry is situated within the Cretaceous-aged Mont Saint-Hilaire alkaline intrusive complex in Quebec, Canada, formed by rare magma intrusions that concentrated high levels of incompatible elements. Operating primarily as a commercial stone quarry, it became world-famous among mineralogists and collectors due to its complex pegmatite pockets and xenoliths, which have yielded hundreds of unique and rare mineral species found nowhere else on Earth. Intensive commercial quarrying operations over the decades exposed these rich cavity systems, allowing researchers and hobbyists to salvage an extraordinary diversity of pristine specimens before active extraction wound down.

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