Gypsum 'Desert Rose' with sand inclusions3D Model
Locality: Chott el Djerid, Tunisia
Size: 17 x 12 x 13.5 cm
Formula: CaSO4 · 2H2O
Description: Gypsum has many interesting properties, including its very unique crystal habits. Rose-like aggregate of tabular brown gypsum crystals is formed by precipitation in (usually) arid desert regions containing trapped sand particles. The ‘petals’ are flattened crystals fanning open in radiating clusters, resembling a rose. The term ‘desert rose’ also applies to rosette shaped Barite (Baryte) (like this specimen) with sand inclusions, and the two should not be confused (Baryte has greater specific gravity).
The desert rose formation was Jean Nouvel’s inspiration for the National Museum of Qatar architecture (Doha).
Concept & 3D-modelling by Andrei Ionut APOPEI