MacDonald, J., Freer, A., and Cusack, M. (2010) Alignment of crystallographic c-axis throughout the four distinct microstructural layers of the oyster Crassostrea gigas. Crystal Growth and Design, 10 (3). pp. 1243-1246. ISSN 1528-7483 (doi:10.1021/cg901263p)
Full text not currently available from Enlighten.
The superimposed layers of the true oyster shell have distinct morphology. The shells are mainly calcitic, comprising an outer prismatic region and inner foliated structure that is frequently interrupted by lenses of chalky calcitic deposits. Aragonite is restricted to the myostracum and ligament. Electron backscatter diffraction (EBSD) analysis has shown that despite the variations in structural morphology, the mineralized layers of the oyster shell maintain a single crystallographic orientation with the crystallographic c-axis orientated perpendicular to outer and inner shell surfaces. Varying crystal morphology, while maintaining crystallographic unity, may be an evolutionary trait that forms a crack-resistant shell with optimum strength and flexibility.
|Glasgow Author(s):||Cusack, Prof Maggie and Freer, Dr Andrew|
|Authors:||MacDonald, J., Freer, A., and Cusack, M.|
|Subjects:||Q Science > QD Chemistry|
|College/School:||College of Science and Engineering > School of Chemistry|
College of Science and Engineering > School of Geographical and Earth Sciences
|Journal Name:||Crystal Growth and Design|
|Journal Abbr.:||Cryst. growth des.|
|Published Online:||19 November 2009|