Lazurite

specimen number:
2063175

location:
Upper Cement Creek, North Italian Mtn, Gunnison Co., Colorado, USA

description:
Neat locality example for the species with blue masses of lazurite in matrix. The specimen comes with a previous label from the collection of Ray DeMark.

Upper Cement Creek and North Italian Mountain in Gunnison County, Colorado, feature a complex geologic setting where Tertiary intrusive bodies cut through older Paleozoic sedimentary strata, creating contact metamorphic zones. Mining history in the district dates back to the late nineteenth century, focusing primarily on small-scale precious and base metal prospects, while modern activity centers on recreational mineral collecting. The area is widely known among collectors for contact-metamorphic and vein minerals, including rare occurrences of lapis lazuli, grossular garnet, diopside, albite, ankerite, pyrite, and calcite.

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