A searchable guide to the complete WordPress Icon Library (@wordpress/icons) package from Gutenberg.
import { Icon, justifyCenter } from '@wordpress/icons';
<Icon icon={justifyCenter} />
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" aria-hidden="true" focusable="false"><path d="M12.5 15v5H11v-5H4V9h7V4h1.5v5h7v6h-7Z"></path></svg>
justifyCenter – WordPress Icon Library