Rock Identifier
Desert Rose (Gypsum rosette (CaSO4·2H2O)) — mineral
mineral

Desert Rose

Gypsum rosette (CaSO4·2H2O)

AI-generated identification · may be incorrect

Hardness of 2 on the Mohs scale, tan to brown color, pearly to vitreous luster, and a distinctive rosette crystal habit with embedded sand grains.

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Physical properties

Hardness of 2 on the Mohs scale, tan to brown color, pearly to vitreous luster, and a distinctive rosette crystal habit with embedded sand grains.

Formation & geological history

Formed through the evaporation of shallow, saline basins in arid desert environments over thousands of years.

Uses & applications

Primarily valued as a decorative ornamental specimen for mineral collections and home decor.

Geological facts

Desert roses often trap a large amount of sand within their crystal structure during formation, sometimes making up over half their weight.

Field identification & locations

Easily identified in the field by its flower-like cluster of flat crystal plates; found worldwide in arid regions like the Sahara and southwestern USA.