Microcline with Magnetite

specimen number:
2341225

location:
Tirrhist, Anemzi, Agoudim Caidat, Boumia Cercle, Midelt, Draa-Tafilalet, Morocco

description:
A large blocky microcline crystals semi lustrous and opaque measuring 3.5 x 3.5 x 3.0 cm in size set up on a small amount of matrix, this mostly in a cluster, with several smaller microcline crystals and tiny black octahedral crystals of magnetite. In good condition.

The geology of the Tirrhist and Anemzi region within the High Atlas mountains of Morocco is characterized by complex Mesozoic sedimentary formations, primarily marine limestones and marls, that have been intruded and hydrothermally altered by Cenozoic magmatic activity. There is no large-scale industrial mining history here; instead, the area is renowned among mineral collectors and local prospectors for small-scale artisanal pocket mining in alpine veins and clefts. Magnetite occurs here as well-crystallized specimens often associated with microcline, quartz, and various silicate minerals, prized by collectors for their distinct crystal habits and association with the region's unique pegmatitic and hydrothermal alpine-type fissures.

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