False-colored BSE SEM image of intergrowth of native gold and pyrite (iron(II) disulfide, FeS2) crystal. Typical mineral intergrowth for gold deposits of Yenisei Ridge, Krasnoyarsk region.
<a href="//commons.wikimedia.org/wiki/User:Boris_Lobastov" title="User:Boris Lobastov">Boris Lobastov</a>
CC BY 4.0
<span class="int-own-work" lang="en">Own work</span>