A searchable guide to the complete WordPress Icon Library (@wordpress/icons) package from Gutenberg.
import { Icon, starHalf } from '@wordpress/icons';
<Icon icon={starHalf} />
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" aria-hidden="true" focusable="false"><path d="M9.518 8.783a.25.25 0 00.188-.137l2.069-4.192a.25.25 0 01.448 0l2.07 4.192a.25.25 0 00.187.137l4.626.672a.25.25 0 01.139.427l-3.347 3.262a.25.25 0 00-.072.222l.79 4.607a.25.25 0 01-.363.264l-4.137-2.176a.25.25 0 00-.233 0l-4.138 2.175a.25.25 0 01-.362-.263l.79-4.607a.25.25 0 00-.072-.222L4.753 9.882a.25.25 0 01.14-.427l4.625-.672zM12 14.533c.28 0 .559.067.814.2l1.895.997-.362-2.11a1.75 1.75 0 01.504-1.55l1.533-1.495-2.12-.308a1.75 1.75 0 01-1.317-.957L12 7.39v7.143z"></path></svg>
starHalf – WordPress Icon Library