A sample of the dihydrate of <a href="https://en.wikipedia.org/wiki/Barium_chloride" class="extiw" title="w:Barium chloride">Barium chloride</a>.
Picture taken by <a href="https://en.wikipedia.org/wiki/User:Walkerma" class="extiw" title="w:User:Walkerma">w:User:Walkerma</a> in June 2005.
2005-06
<span class="int-own-work" lang="en">Own work</span>