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1940s sterling turquoise Zuni style ring?
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<p>[QUOTE="Any Jewelry, post: 254421, member: 2844"]And many before that as well. Most turquoise cracks easily, very few stones can be used untreated. That is why stabilising turquoise is an old custom, the Chinese have been doing it for centuries using beeswax, in the US Southwest they started with sheep's fat. Both methods lead to a deterioration of colour over a period of time and you can't expose the stones to heat after they've been treated. Some traders in the Southwest noticed greasy puddles after their jewellery had been displayed in a sun exposed shop window for a while.</p><p>Here is some info:</p><p><a href="http://nevada-outback-gems.com/turq_info_pages/Turquoise_inf_treatment.htm" target="_blank" class="externalLink ProxyLink" data-proxy-href="http://nevada-outback-gems.com/turq_info_pages/Turquoise_inf_treatment.htm" rel="nofollow">http://nevada-outback-gems.com/turq_info_pages/Turquoise_inf_treatment.htm</a>[/QUOTE]</p><p><br /></p>
[QUOTE="Any Jewelry, post: 254421, member: 2844"]And many before that as well. Most turquoise cracks easily, very few stones can be used untreated. That is why stabilising turquoise is an old custom, the Chinese have been doing it for centuries using beeswax, in the US Southwest they started with sheep's fat. Both methods lead to a deterioration of colour over a period of time and you can't expose the stones to heat after they've been treated. Some traders in the Southwest noticed greasy puddles after their jewellery had been displayed in a sun exposed shop window for a while. Here is some info: [URL]http://nevada-outback-gems.com/turq_info_pages/Turquoise_inf_treatment.htm[/URL][/QUOTE]
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