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Nucleation pathway of calcium sulfate hemihydrate (bassanite) from solution: implications for calcium sulfates on Mars
Tomasz M. Stawski, Rogier Besselink, Konstantinos Chatzipanagisad +3
CaSO4 minerals (i.e. gypsum, anhydrite and bassanite) are widespread in natural and industrial environments. During the last several years, a number of studies have revealed that n…
Mechanism of saponite crystallization from a rapidly formed amorphous intermediate
Rogier Besselink, Tomasz M. Stawski, Helen M. Freeman +3
Although clays are crucial mineral phases in Earth's weathering engine, it is unclear how they form in surface environments under (near-)ambient pressures and temperature. Most syn…
The structure of CaSO4 nanorods -- the precursor of gypsum
Tomasz M. Stawski, Alexander E. S. Van Driessche, Rogier Besselink +4
Understanding the gypsum (CaSO4.2H2O) formation pathway from aqueous solution has been the subject of intensive research in the past years. This interest stems from the fact that g…
Particle-mediated nucleation pathways are imprinted in the internal structure of calcium sulfate single crystals
Tomasz M. Stawski, Helen M. Freeman, Alexander E. S. Van Driessche +4
Calcium sulfate minerals are found under the form of three crystalline phases: gypsum (CaSO4.2H2O), bassanite (CaSO4.0.5H2O), and anhydrite (CaSO4). Due to its relevance in natural…