<a href="https://en.wikipedia.org/wiki/McGuinnessite" class="extiw" title="en:McGuinnessite">McGuinnessite</a>
<dl><dd><dl><dd><dl><dd>Dimensions: 4 cm × 2.3 cm × 2.4 cm</dd>
<dd>Locality: Nix Claim, Big Red Mountains, <a href="https://en.wikipedia.org/wiki/Mendocino_County,_California" class="extiw" title="en:Mendocino County, California">Mendocino County, California</a>, USA</dd>
<dd>Description: Blue-green to light blue efflorescence of McGuinnessite on matrix from the collection of <a href="https://de.wikipedia.org/wiki/Benutzerin:Ra%27ike" class="extiw" title="de:Benutzerin:Ra'ike">Ra'ike</a></dd></dl></dd></dl></dd></dl>
<a href="//commons.wikimedia.org/wiki/User:Raymond" title="User:Raymond">Raimond Spekking</a>
CC BY-SA 4.0
<span class="int-own-work" lang="en">Own work</span>