Pyrochlore

specimen number:
2351037

location:
Oka Complex, Laurentides, Quebec, Canada

description:
Lustrous frown octahedral crystals of pyrochlore measuring to 0.5 cm in size on matrix with massive pyrochlore. Nice example for the species and locality.

The Oka Complex in the Laurentides region of Quebec, Canada, is a Cretaceous alkaline and carbonatite intrusion belonging to the Monteregian Igneous Province, featuring a ring structure composed of carbonatite and undersaturated silicate rocks that intruded Precambrian Grenville basement rocks. Historically, the area gained economic significance for its substantial rare metal and niobium deposits, leading to past commercial mining operations such as the Saint Lawrence Columbium mine, while the complex remains a world-renowned destination for mineral collectors seeking diverse and unusual accessory species.

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