<a href="https://en.wikipedia.org/wiki/Kyanite" class="extiw" title="en:Kyanite">Kyanite</a>, <a href="https://en.wikipedia.org/wiki/Quartz" class="extiw" title="en:Quartz">Quartz</a>
<dl><dd><dl><dd><dl><dd>Dimensions: 6.0 cm × 4.0 cm × 3.2 cm</dd>
<dd>Description: Bluish white Kyanite (Synonym <i>Disthen</i>) on coarsely crystalline quartz and on the left side a <a href="https://en.wikipedia.org/wiki/Cut_(gems)" class="extiw" title="en:Cut (gems)">cutted</a> kyanite tablet. 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>