Search results for "Cultured pearl"

showing 3 items of 3 documents

Identification of Chinese fresh-water pearls using MN2+ activated cathodoluminescence

2000

Fresh-water tissue graft-cultured pearls from China were investigated using hot cathode and cold cathode cathodoluminescence microscopes. Supplementary investigations were done using X-radiography, a Scanning Electron Microscope, an optical microscope, and an Atomic Force Microscope (AFM). The results were compared with those of natural fresh-water pearls from the Mississippi river. Thin sections of fresh-water natural pearls from the Mississippi river could be distinguished from those of fresh-water tissue graft cultured pearls from China using a hot cathode cathodoluminescence microscope according to the distribution of Mn2+ as follows: (1) Fresh-water tissue graft cultured pearls from Ch…

Scanning electron microscopeMineralogyCathodoluminescenceengineering.materialeye diseasesCultured pearllaw.inventionGeochemistry and PetrologylawCathodoluminescence microscopeScanning transmission electron microscopyengineeringElectron microscopeEnvironmental scanning electron microscopePearlGeologyCarbonates and Evaporites

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A Look Inside a Remarkably Large Beaded South Sea Cultured Pearl

2014

OceanographyGeochemistry and PetrologyGeologyCultured pearlGems & Gemology

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Akoya Cultured Pearl Farming in Eastern Australia

2018

0106 biological sciencesFishery010504 meteorology & atmospheric sciencesGeochemistry and PetrologyAgriculturebusiness.industry010604 marine biology & hydrobiologyBiologybusiness01 natural sciences0105 earth and related environmental sciencesCultured pearlGems & Gemology

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