Crystal structure of <a href="https://en.wikipedia.org/wiki/Gallium" class="extiw" title="en:Gallium">γ-Gallium</a>
<a href="//commons.wikimedia.org/wiki/User:Orci" title="User:Orci">Orci</a>
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Own work, data source: L. Bosio, H. Curien, M. Dupont, A. Rimsky: Structure cristalline de Ga γ. In: Acta Cryst. (1972). B28, 1974-1975.