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<p>[QUOTE=&quot;Any Jewelry, post: 254174, member: 2844&quot;]My problem with chalcedony is that I am a theologian<img src="styles/default/xenforo/smilies/smile.png" class="mceSmilie" alt=":)" unselectable="on" /> with a bad memory<img src="styles/default/xenforo/smilies/frown.png" class="mceSmilie" alt=":(" unselectable="on" />. The only way for me to remember the name of the stone, is to think of the Council of Chalcedon of 451 AD, in which the nature in Christ (man-God) was discussed. It was significant because it led to a schism.</p><p>When thinking of the rock, I am so happy I get as far as Chalcedon, that I often forget to add the y.<img src="styles/default/xenforo/smilies/rolleyes.png" class="mceSmilie" alt=":rolleyes:" unselectable="on" /></p><p><br /></p><p><br /></p><p>I think in general we Europeans are more strict when it comes to mineral terminology. Probably because we are influenced by &#039;mineral kingdom&#039; Germany. Germans are known for their precision.</p><p>My mother was a rockhound, and we often visited the German mineral capital Idar Oberstein. This is a 1997 stamp to commemmorate 500 yrs as a gem region (Edelsteinregion):</p><p><img src="https://s14-eu5.ixquick.com/cgi-bin/serveimage?url=https%3A%2F%2Fupload.wikimedia.org%2Fwikipedia%2Fcommons%2Fthumb%2F8%2F80%2FDPAG-1997-EdelsteinregionIdar-Oberstein.jpg%2F220px-DPAG-1997-EdelsteinregionIdar-Oberstein.jpg&amp;sp=8f9a128a43106f4fa32a96a3e9d17485" class="bbCodeImage wysiwygImage" alt="" unselectable="on" />[/QUOTE]</p><p><br /></p>

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