The mature particles have a smooth aspect, with 90 E dimers organized with icosahedral symmetry in a ‘herringbone’ pattern2, 3.
Nature(Jun 22, 2016)
However, nature’s radiolarian examples are the most stunning instances of icosahedral symmetry and well worth a careful look.
Scientific American(Mar 22, 2013)
The boys craned their necks to read words like “icosahedral” and “nanomachines.”
Salon(Feb 13, 2013)