… Experimentation with pearl culturing is recorded as far back as the 12th century. But it wasn't until seven centuries later, in the 1890s, that two Japanese working independently of each other discovered a workable pearl cultur- ing method, one that took until 1908 to perfect …
CITATION STYLE
Federman, D. (1990). Japanese Akoya Pearl. In Modern Jeweler’s Consumer Guide to Colored Gemstones (pp. 150–153). Springer US. https://doi.org/10.1007/978-1-4684-6488-7_36
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