| Original Message: In materials analysis, it's often the trace elements that tell the tale |
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Related pyro industries in an area likely tap the same sources of sand, calcium, soda, potash and other minerals. Which often have tell-tale trace element components that reveal their source. The fluorite crystals in the turquoise cloisonne glass enamel is of interest, as fluorspar has a long history of use in Chinese ceramics. Per Wikipedia: Major fluorspar deposits are located in South Africa, Mexico, China and Mongolia. Historically, the mineral was used in ceramics manufacture as a fluxing agent, helping the enamel stick to porcelain in the firing process. ... The mineral itself is known as fluorite, its chemical symbol is CaF2, calcium fluoride. All rights reserved by Bead Collector Network and its users |
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