Pyrargyrite with Miargyrite, Quartz

specimen number:
8911084

location:
San Jose Mine, Oaxaca, Mexico

description:
Lustrous metallic micro crystals of both pyrargyrite and miargyrite scattered across a crystallized white micro quartz matrix. Good locality example for the species. The specimen comes with a previous label from the Alton collection.

The San Jose Mine, situated in the San Jeronimo Taviche Municipality of Oaxaca, Mexico, targets a major intermediate-sulfidation epithermal deposit hosted within Tertiary volcanic sequence rocks, predominantly composed of fine-grained quartz veins and calcite fill. Modern commercial production commenced in September 2011, establishing the site as a key high-grade silver and gold producer alongside a long historical footprint of localized mining activity. Mineral collectors value the locality for its rare recovery of fine sulfosalt specimens, most notably pyrargyrite, which forms striking, lustrous, dark metallic-red hexagonal crystals nestled within bright white quartz matrix cavities. These vibrant dark-red silver sulfosalt crystals display remarkable color saturation and brilliant metallic Adamantine luster, making specimens from the San Jose Mine highly prized additions to Mexican mineral collections.

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