Desert Rose

Gypsum (variety Selenite) or Barite, CaSO4·2H2O

Rock Type: mineral

Desert Rose

Physical Properties

Hardness: 2.0 (Gypsum) or 3-3.5 (Barite); Color: Tan, sandy, or white; Luster: Pearly to dull; Crystal Structure: Monoclinic; Cleavage: Perfect; Specific Gravity: 2.3

Formation & Geological History

Formed in arid sandy conditions through the evaporation of shallow salt basins over hundreds to thousands of years, primarily in the Quaternary period.

Uses & Applications

Primarily used as decorative display pieces, in mineral collections, and as a focus for metaphysical or spiritual practices.

Geological Facts

The 'petals' are flattened crystals that incorporate sand grains during growth. They are one of the few minerals that literally grow in the shape of a flower due to unique evaporative forces.

Field Identification & Locations

Identify by its distinctive rose-like bladed cluster shape and sandy texture. Commonly found in the Sahara Desert, Mexico, and Oklahoma (where it is the state rock).

Identified on: 4/28/2026

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