Grossular

specimen number:
2063678

location:
Sierra de Cruces, Sierra Mojada, Coahuila, Mexico

description:
An outstanding thumbnail for this Mexican classic, a lustrous raspberry red crystal of grossular set up on one smaller crystal without matrix. The color and luster are excellent. In great condition. The specimen comes with a previous label from the collection of Ray DeMark.

The Sierra de Cruces region, located within the Sierra Mojada municipality of Coahuila, Mexico, is famous in mineralogy for its contact metamorphic skarn deposits formed where igneous intrusions interacted with surrounding limestone beds. Historically, specimens from this area were often mislabeled under the name Lake Jaco, a nearby landmark in neighboring Chihuahua, but the locality is celebrated among mineral collectors for producing exceptional mineral specimens. The site is world-renowned for its distinct raspberry-red to pinkish grossular garnet crystals, often exhibiting striking color zoning, as well as lustrous blocky tan to brownish-yellow vesuvianite crystals nestled on contrasting matrix rocks.

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