A specimin of Scheelite from China, on display under ultraviolet light in the Hillman Hall of Minerals and Gems at the Carnegie Museum of Natural History
<a href="//commons.wikimedia.org/wiki/User:Ragesoss" title="User:Ragesoss">Sage Ross</a>
CC BY-SA 3.0
<span class="int-own-work" lang="en">Own work</span>