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Nature, 1921
A NOTICE has recently appeared in the daily Press, signed by a number of jewellers, with reference to Japanese “culture” pearls. This notice, besides endorsing the opinion expressed by the diamond, pearl, and precious stones section of the London Chamber of Commerce that “the insertion of foreign matter placed in the oyster” disqualifies the culture ...
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A NOTICE has recently appeared in the daily Press, signed by a number of jewellers, with reference to Japanese “culture” pearls. This notice, besides endorsing the opinion expressed by the diamond, pearl, and precious stones section of the London Chamber of Commerce that “the insertion of foreign matter placed in the oyster” disqualifies the culture ...
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2008
This chapter covers the culture methods used for pearl oysters during all stages of culture, from hatchery production to the husbandry of oysters "seeded" for pearl production. The major pearl culture industries have traditionally relied on oysters collected from the wild for pearl nucleus insertion. Adult pearl oysters are collected or, alternatively,
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This chapter covers the culture methods used for pearl oysters during all stages of culture, from hatchery production to the husbandry of oysters "seeded" for pearl production. The major pearl culture industries have traditionally relied on oysters collected from the wild for pearl nucleus insertion. Adult pearl oysters are collected or, alternatively,
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Cultured pearls and colour-changed cultured pearls: Raman spectra
The Journal of Gemmology, 2001Li Liping, Chen Zhonghui
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