Samalayuca Desert, Mun. de Villa Ahumada, Chihuahua, MexicoThis page is currently not sponsored. Click here to sponsor this page.
Name(s) in local language(s): Desierto de Samalayuca, Mun. de Villa Ahumada, Chihuahua, México
Just north of the town, and less than 100m off the highway are old playa lake deposits from which distinctive spherical aggregates of bladed tan-colored gypsum crystals ("desert roses"), often heavily included with sand. Specimens range from single balls up to 6 cm in diameter to clusters of intergrown balls weighing many tens of kilograms. Specimens have been mined in large quantities for many years and are a staple of rock shop inventory. The roses are often toasted with a blow torch to dehydrate the edges of the bladed crystals. This both hides damage to the edges and gives them a white edge that contrasts with the overall tan color of the gypsum.
| 'Desert Rose'|| Gypsum|
2 entries listed. 1 valid mineral.
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Pike,, Zebulon, Edited by Elliott Coues (1895, edited and reprinted from the 1810 printing). The Expeditions of Zebulon Montgomery Pike: Arkansaw Journey. Mexican Tour. New York, NY, pps, 648 to 652: Francis P. Harper.
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Locality Updated: Lousa, Loures, Lisbon District, PortugalFrom Rui Nunes, 25th Oct 2014 19:23:14