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The characteristics of black pearl cultured using Pen shell (Atrina pectinata)  

Lee, Jeong-Im (Department of Gemological Engineering, Dongshin university)
Kim, Pan-Chae (Department of Gemological Engineering, Dongshin university)
Publication Information
Journal of the Korean Crystal Growth and Crystal Technology / v.18, no.5, 2008 , pp. 205-210 More about this Journal
Abstract
Pearl is the organic gemstone which does not come from mines but from the biomineralization inside mollusc. Mollusc with nacre on inner surface of the shell is inevitable to make pearl. In this paper we researched and analyzed the pearls cultured using Pen shell (Atrina pectinata) which is not used in pearl farming industry but has potential to make pearls because it has thick and beautiful nacre inside the shell. SEM analysis was conducted to reveal the pattern of nacre on the Atrina pectinata pearl. Specific characteristics as sea-water pearl are detected by further analysis with ED-XRF. Aragonite specific peaks such as $1083cm^{-1}$ and $705cm^{-1}$ were shown by Raman analysis. UV-Vis analysis of Atrina pectinata pearl showed different pattern of spectrum compared with Pinctada margaritifera pearl. The reason for this discrepancy is assumed by the metabolic difference of each species.
Keywords
Black pearl; Pen shell; Atrina pectinata; Aragonite; Nacre; Characteristics;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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