Quartz

specimen number:
2063604

location:
Costilla area, Taos Co., New Mexico, USA

description:
A floater crystal grouping of deep black translucent glassy and lustrous smoky quartz crystals. In excellent condition. A very choice example for this New Mexico locality. The specimen comes with a previous label from the collection of Ray DeMark and was collected by Fred Ortega and Forrest Paulden in the spring of 2012.

The Costilla area in Taos County, New Mexico, USA, features a diverse geological setting marked by Precambrian metamorphic and igneous rocks, Cenozoic volcanic activity, and alluvial deposits associated with the Rio Grande rift system. Mineralization in the region formed through complex hydrothermal processes and magmatic activity, creating quartz veins and cavity-filling deposits across local rock units. The area has a rich history of prospecting, small-scale mining, and mineral collecting, with enthusiasts seeking various silica formations, including clear quartz, smoky quartz, and milky quartz specimens, often found in pegmatite veins and gravel beds.

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