Quartz

specimen number:
2062461

location:
Aribabi, Huachinera, Sonora, Mexico

description:
Attractive glassy gemmy light purple crystal of quartz, this the variety of the species sometimes called amethyst, measuring to 1.1 cm in size on matrix. In great condition.

Aribabi is a historic historic locality and ranch area within the municipality of Huachinera in northeastern Sonora, Mexico, with roots stretching back to the Spanish colonial era as an early mission and settlement site, though specific formal opening and closing dates for its historical mining activities are not officially documented. Geologically, the region is situated within the rugged volcanic terrain of the Sierra Madre Occidental province, characterized by extensive Tertiary volcanic sequences, rhyolitic flows, and hydrothermal fault systems that facilitated the circulation of mineralizing fluids. Within these local volcanic cavities and hydrothermal pockets, quartz solutions crystallized to form prized specimens of amethyst, notably featuring unique scepter and reverse scepter growth habits where later-stage crystal development abruptly changed proportions over earlier quartz stems.

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