A searchable guide to the complete WordPress Icon Library (@wordpress/icons) package from Gutenberg.
import { Icon, copySmall } from '@wordpress/icons';
<Icon icon={copySmall} />
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" aria-hidden="true" focusable="false"><path fill-rule="evenodd" clip-rule="evenodd" d="M5.625 5.5h9.75c.069 0 .125.056.125.125v9.75a.125.125 0 0 1-.125.125h-9.75a.125.125 0 0 1-.125-.125v-9.75c0-.069.056-.125.125-.125ZM4 5.625C4 4.728 4.728 4 5.625 4h9.75C16.273 4 17 4.728 17 5.625v9.75c0 .898-.727 1.625-1.625 1.625h-9.75A1.625 1.625 0 0 1 4 15.375v-9.75Zm14.5 11.656v-9H20v9C20 18.8 18.77 20 17.251 20H6.25v-1.5h11.001c.69 0 1.249-.528 1.249-1.219Z"></path></svg>
copySmall – WordPress Icon Library