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<p>[QUOTE=&quot;Bronwen, post: 4564592, member: 5833&quot;]<img src="https://www.antiquers.com/attachments/6-3-jpg.400438/" class="bbCodeImage wysiwygImage" alt="" unselectable="on" /></p><p><br /></p><p>Just bringing this over because it was making me nuts looking back &amp; forth.</p><p><br /></p><p><br /></p><p><br /></p><p>Emerald &amp; aquamarine are just particular colors of the mineral beryl09990+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+- [cat jumped on keyboard].&nbsp; Depending on your reason for ruling them out, you may also have ruled out beryl altogether.&nbsp; I do have a pendant with a beryl crystal that looks quite a lot like this.</p><p><br /></p><p><br /></p><p><br /></p><p>Chrysoprase is basically green chalcedony, microcrystaline quartz, the stuff of agates of all types.&nbsp; I looked at all the examples of Jacobsen&#039;s work Google deigned to show me.&nbsp; Although I see he used a lot of opal, he also used a lot of stones in the quartz family, which inclines me in that direction, even if we can&#039;t quite put a name to the variety.&nbsp; I often encounter stones with this appearance identified as green aventurine, even when the sparkly mica inclusions are absent.&nbsp; </p><p><br /></p><p><img src="https://geology.com/gemstones/aventurine/aventurine-tumbled-stones.jpg" class="bbCodeImage wysiwygImage" alt="" unselectable="on" /></p><p><a href="https://geology.com/gemstones/aventurine/" target="_blank" class="externalLink ProxyLink" data-proxy-href="https://geology.com/gemstones/aventurine/" rel="nofollow">https://geology.com/gemstones/aventurine/</a>[/QUOTE]</p><p><br /></p>

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