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The Delicate Beauty of the Desert Rose

Referred to as rose rocks, sand roses and desert roses, the delicate formations created by minerals, sand and the elements in the arid regions of Algeria are nothing short of spectacular – and no two are alike. The color and the shape of the desert rose depends on the minerals and types of sand involved and they can range in size from as small as a pea to ten centimeters in diameter. They form either as individual roses or as large clusters of blooms.

Shaped by the forces of water, wind and pressure, desert roses can be formed out of sand and barite, or sand and selenite (a form of gypsum). Barite is the heavier and harder of the two minerals, which are colorless, and therefore the desert rose will take on the color of the sand. Barite crystals form a circle of flat plates to which the sand clings, forming a shape similar to a rose blossom. In addition to being found in Algeria, barite roses are found in Morocco, Nunavut (Canada), and some areas in the United States. The largest barite rose weighed close to 56 kilograms, measuring 43 cm long by 25 cm high. As the lighter and softer of the two minerals, selenite can easily be scratched and desert roses made from this mineral tend to be more delicate, but they are also generally more detailed and rose-like in their shape.

Desert roses are formed in arid sandy conditions where intense evaporation has occurred, such as in a shallow salt basin. Other evaporite minerals (so called because they are formed through the process of evaporation), such as Celestine, can also result in interesting formations, but few can compare with the sheer beauty of Algeria's desert rose.


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