A searchable guide to the complete WordPress Icon Library (@wordpress/icons) package from Gutenberg.
import { Icon, pencil } from '@wordpress/icons';
<Icon icon={pencil} />
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" aria-hidden="true" focusable="false"><path d="m19 7-3-3-8.5 8.5-1 4 4-1L19 7Zm-7 11.5H5V20h7v-1.5Z"></path></svg>
pencil – WordPress Icon Library