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What is the stone in vintage Emilia Castillo silver pendant?
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<p>[QUOTE="Michael Goller, post: 4406902, member: 62852"]Hi - it very well could be chrysocolla and turquoise with tenorite. All three minerals are cupric (meaning copper is part of it, so it has to form where copper is present - azurite and malachite are also cupric) and tenorite does occur with chrysocolla (see this link for tenorite <a href="https://en.wikipedia.org/wiki/Tenorite" target="_blank" class="externalLink ProxyLink" data-proxy-href="https://en.wikipedia.org/wiki/Tenorite" rel="nofollow">https://en.wikipedia.org/wiki/Tenorite</a>). The fractured texture of the stone would indicate it probably was crushed to fit the form of the the jeweler want to set, and this kind of makes sense as both turquoise and chrysocolla tend to be similar in hardness, and both are soft (most turquoise is too soft in its natural state for use in jewelry). Regardless, it's a beautiful piece! By the way, I am one of the owners of the store [USER=36609]@singing[/USER] linked to - georarities. We have a number of natural small and medium sized boulders and stones composed of chrysocolla, turquoise and tenorite. We acquired this material directly from the mine owner - the mine is in Mexico. You can see some of the other examples of the material here, although we probably should update the photos as the ones posted are not the best. <a href="https://georarities.com/?s=chrysocolla&post_type=product" target="_blank" class="externalLink ProxyLink" data-proxy-href="https://georarities.com/?s=chrysocolla&post_type=product" rel="nofollow">https://georarities.com/?s=chrysocolla&post_type=product</a>[/QUOTE]</p><p><br /></p>
[QUOTE="Michael Goller, post: 4406902, member: 62852"]Hi - it very well could be chrysocolla and turquoise with tenorite. All three minerals are cupric (meaning copper is part of it, so it has to form where copper is present - azurite and malachite are also cupric) and tenorite does occur with chrysocolla (see this link for tenorite [URL]https://en.wikipedia.org/wiki/Tenorite[/URL]). The fractured texture of the stone would indicate it probably was crushed to fit the form of the the jeweler want to set, and this kind of makes sense as both turquoise and chrysocolla tend to be similar in hardness, and both are soft (most turquoise is too soft in its natural state for use in jewelry). Regardless, it's a beautiful piece! By the way, I am one of the owners of the store [USER=36609]@singing[/USER] linked to - georarities. We have a number of natural small and medium sized boulders and stones composed of chrysocolla, turquoise and tenorite. We acquired this material directly from the mine owner - the mine is in Mexico. You can see some of the other examples of the material here, although we probably should update the photos as the ones posted are not the best. [URL]https://georarities.com/?s=chrysocolla&post_type=product[/URL][/QUOTE]
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