<a href="https://en.wikipedia.org/wiki/Kaolinite" class="extiw" title="en:Kaolinite">Kaolinite</a>, <a href="https://en.wikipedia.org/wiki/Calcite" class="extiw" title="en:Calcite">Calcite</a>, <a href="https://en.wikipedia.org/wiki/Quartz" class="extiw" title="en:Quartz">Quartz</a> (Dimensions: 2" across of 4" x 3" x 2.5" geode half)
<dl><dd><dl><dd>Locality: St. Francisville, Warsaw geodes, Clark Co., Missouri, USA</dd>
<dd><i>Original description:</i> Powder white kaolinite and calcite in a blue-grey Keokuk geode. "Some geodes contain calcites that have ingested kaolinite or are pseudomorphs of kaolinite after calcite." (geodegallery.com). Child photos of other half of geode and the pair together.</dd></dl></dd></dl>
<a rel="nofollow" class="external text" href="http://www.mindat.org/user-13767.html#0">John Krygier</a>
2011-07-18
<a rel="nofollow" class="external free" href="http://www.mindat.org/photo-400223.html">http://www.mindat.org/photo-400223.html</a>