mineral
Desert Rose
Gypsum (CaSO4 · 2H2O) or Barite (BaSO4) rosette
Mohs hardness: 2 (for gypsum), Color: Tan, brown, white, or reddish-brown, Luster: Vitreous to pearly or earthy, Crystal structure: Monoclinic, Cleavage: Perfect in one direction, Specific gravity: 2.3 - 2.4
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Physical properties
Mohs hardness: 2 (for gypsum), Color: Tan, brown, white, or reddish-brown, Luster: Vitreous to pearly or earthy, Crystal structure: Monoclinic, Cleavage: Perfect in one direction, Specific gravity: 2.3 - 2.4
Formation & geological history
Formed in arid, sandy desert conditions through the evaporation of shallow, mineral-rich salt basins or saline groundwater, incorporating wind-blown sand grains into the crystal lattice.
Uses & applications
Popular as a decorative display specimen, ornamental stone, and in metaphysical crystal collections.
Geological facts
Desert roses can also be known as sand roses. The unique rosette shape is created by clusters of flat, lenticular crystals radiating outward from a central point.
Field identification & locations
Found in arid regions worldwide, notably the Sahara Desert, Oklahoma (USA), Spain, and Mexico. Easily identified by its distinct rose-like cluster formation and softness.
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