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Anatase

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Tiny sparkling deep blue crystals of anatase to 0.1 cm in size scattered sparsely across the top of matrix. In good condition, nice reference example for the species in this famous locality. Good micro specimen. Specimen comes with a previous label from the collection of Ray DeMark.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.