mineral
Desert Rose (Gypsum/Baryte)
Hydrated Calcium Sulfate (CaSO4·2H2O)
AI-generated identification · may be incorrectHardness: 2 on Mohs scale; Color: white, tan, or sandy; Luster: vitreous to pearly; Crystal structure: monoclinic; Cleavage: perfect in one direction; Specific gravity: 2.3
- Hardness
- 2 on Mohs scale
- Color
- white, tan, or sandy
- Luster
- vitreous to pearly
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Physical properties
Hardness: 2 on Mohs scale; Color: white, tan, or sandy; Luster: vitreous to pearly; Crystal structure: monoclinic; Cleavage: perfect in one direction; Specific gravity: 2.3
Formation & geological history
Forms in arid environments through the evaporation of salt-rich water over centuries, creating bladed crystal clusters that trap sand grains.
Uses & applications
Primarily used as decorative display specimens, in lapidary work, and by mineral collectors.
Geological facts
The 'petals' are actually flattened crystals that radiate out from a central point. They are common in the Sahara Desert and parts of the United Arab Emirates.
Field identification & locations
Identify by its unique rose-like bladed structure and low hardness (can often be scratched by a fingernail). Found in dry, sandy basin areas.
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